Acronym bidrap, K-4.8
Name bidiminished rectified pentachoron,
antiduowedge,
square - tetrahedral wedge,
digonal gyrobicupolaic ring,
{4} || tet,
line || ortho trip
Segmentochoron display
   ©
(these providing possible orientations: as "squippy || {3}", as "tet || {4}", resp. as "trip || ortho line")
Circumradius sqrt(3/5) = 0.774597
Lace city
in approx. ASCII-art
x o   o x
         
   x x   
Dihedral angles
  • at {4} between squippy and trip:   arccos[-1/sqrt(6)] = 114.094843°
  • at {3} between squippy and tet:   arccos(-1/4) = 104.477512°
  • at {3} between squippy and squippy:   arccos(1/4) = 75.522488°
  • at {3} between squippy and trip:   arccos(sqrt[1/6]) = 65.905157°
  • at {4} between trip and trip:   arccos(2/3) = 48.189685°
Face vector 8, 18, 17, 7
Confer
segmentochora family:
{2n} || n-ap  
uniform relative:
rap  
related segmentochora:
trippy  
blends:
tubidrap  
variations:
xxo oxx&#q  
general polytopal classes:
segmentochora   lace simplices  
External
links
polytopewiki  

The rap can be considered as tet || oct. Now diminish the bottom oct at both opposing tips down to the equatorial square. At the top tet the same diminishings just scratch at the pair of opposing edges. Either diminishing chops off a trippy.


Incidence matrix according to Dynkin symbol

xxo oxx&#x   → height(1,2) = height(2,3) = sqrt(3)/2 = 0.866025
               height(1,3) = 1/sqrt(2) = 0.707107

o.. o..    | 2 * * | 1 2 2 0 0 0 0 | 2 1 2 1 2 0 0 0 | 1 1 2 1 0
.o. .o.    | * 4 * | 0 1 0 1 1 1 0 | 1 1 0 0 1 1 1 1 | 1 0 1 1 1
..o ..o    | * * 2 | 0 0 2 0 0 2 1 | 0 0 1 2 2 0 1 2 | 0 1 1 2 1
-----------+-------+---------------+-----------------+----------
x.. ...    | 2 0 0 | 1 * * * * * * | 2 0 2 0 0 0 0 0 | 1 1 2 0 0
oo. oo.&#x | 1 1 0 | * 4 * * * * * | 1 1 0 0 1 0 0 0 | 1 0 1 1 0
o.o o.o&#x | 1 0 1 | * * 4 * * * * | 0 0 1 1 1 0 0 0 | 0 1 1 1 0
.x. ...    | 0 2 0 | * * * 2 * * * | 1 0 0 0 0 1 1 0 | 1 0 1 0 1
... .x.    | 0 2 0 | * * * * 2 * * | 0 1 0 0 0 1 0 1 | 1 0 0 1 1
.oo .oo&#x | 0 1 1 | * * * * * 4 * | 0 0 0 0 1 0 1 1 | 0 0 1 1 1
... ..x    | 0 0 2 | * * * * * * 1 | 0 0 0 2 0 0 0 2 | 0 1 0 2 1
-----------+-------+---------------+-----------------+----------
xx. ...&#x | 2 2 0 | 1 2 0 1 0 0 0 | 2 * * * * * * * | 1 0 1 0 0
... ox.&#x | 1 2 0 | 0 2 0 0 1 0 0 | * 2 * * * * * * | 1 0 0 1 0
x.o ...&#x | 2 0 1 | 1 0 2 0 0 0 0 | * * 2 * * * * * | 0 1 1 0 0
... o.x&#x | 1 0 2 | 0 0 2 0 0 0 1 | * * * 2 * * * * | 0 1 0 1 0
ooo ooo&#x | 1 1 1 | 0 1 1 0 0 1 0 | * * * * 4 * * * | 0 0 1 1 0
.x. .x.    | 0 4 0 | 0 0 0 2 2 0 0 | * * * * * 1 * * | 1 0 0 0 1
.xo ...&#x | 0 2 1 | 0 0 0 1 0 2 0 | * * * * * * 2 * | 0 0 1 0 1
... .xx&#x | 0 2 2 | 0 0 0 0 1 2 1 | * * * * * * * 2 | 0 0 0 1 1
-----------+-------+---------------+-----------------+----------
xx. ox.&#x  2 4 0 | 1 4 0 2 2 0 0 | 2 2 0 0 0 1 0 0 | 1 * * * *
x.o o.x&#x  2 0 2 | 1 0 4 0 0 0 1 | 0 0 2 2 0 0 0 0 | * 1 * * *
xxo ...&#x  2 2 1 | 1 2 2 1 0 2 0 | 1 0 1 0 2 0 1 0 | * * 2 * *
... oxx&#x  1 2 2 | 0 2 2 0 1 2 1 | 0 1 0 1 2 0 0 1 | * * * 2 *
.xo .xx&#x  0 4 2 | 0 0 0 2 2 4 1 | 0 0 0 0 0 1 2 2 | * * * * 1

x(xo) x(ox)&#x   → height = sqrt(5/8) = 0.790569
({4} || tet)

o(..) o(..)      | 4 * | 2 2 0 0 | 1 2 2 1 0 | 2 2 0
.(o.) .(o.)    & | * 4 | 0 2 1 2 | 0 2 1 2 3 | 1 3 1
-----------------+-----+---------+-----------+------
x(..) .(..)    & | 2 0 | 4 * * * | 1 1 1 0 0 | 2 1 0
o(o.) o(o.)&#x & | 1 1 | * 8 * * | 0 1 1 1 0 | 1 2 0
.(x.) .(..)    & | 0 2 | * * 2 * | 0 2 0 0 2 | 1 2 1
.(oo) .(oo)&#x   | 0 2 | * * * 4 | 0 0 0 1 2 | 0 2 1
-----------------+-----+---------+-----------+------
x(..) x(..)      | 4 0 | 4 0 0 0 | 1 * * * * | 2 0 0
x(x.) .(..)    & | 2 2 | 1 2 1 0 | * 4 * * * | 1 1 0
.(..) x(o.)    & | 2 1 | 1 2 0 0 | * * 4 * * | 1 1 0
o(oo) o(oo)&#x   | 1 2 | 0 2 0 1 | * * * 4 * | 0 2 0
.(xo) .(..)&#x & | 0 3 | 0 0 1 2 | * * * * 4 | 0 1 1
-----------------+-----+---------+-----------+------
x(x.) x(o.)&#x &  4 2 | 4 4 1 0 | 1 2 2 0 0 | 2 * *
x(xo) .(..)&#x &  2 3 | 1 4 1 2 | 0 1 1 2 1 | * 4 *
.(xo) .(ox)&#x    0 4 | 0 0 2 4 | 0 0 0 0 4 | * * 1

oqo ooo&#xt || snub(xx xx&#x)   → height = sqrt(5/8) = 0.790569
({4} || tet)

o.. o..            .. ..     | 1 * * * * | 2 2 0 0 0 0 0 0 0 0 | 1 2 2 1 0 0 0 0 0 0 | 2 2 0 0
.o. .o.            .. ..     | * 2 * * * | 1 0 1 1 1 0 0 0 0 0 | 1 1 1 0 1 1 1 0 0 0 | 2 1 1 0
..o ..o            .. ..     | * * 1 * * | 0 0 2 0 0 2 0 0 0 0 | 1 0 0 0 2 2 0 1 0 0 | 2 0 2 0
... ...       demi(o. o.   ) | * * * 2 * | 0 1 0 1 0 0 1 1 1 0 | 0 1 1 1 1 0 1 0 2 1 | 1 2 1 1
... ...       demi(.o .o   ) | * * * * 2 | 0 0 0 0 1 1 0 1 1 1 | 0 0 1 0 1 1 1 1 1 2 | 1 1 2 1
-----------------------------+-----------+---------------------+---------------------+--------
oo. oo.&#x         .. ..     | 1 1 0 0 0 | 2 * * * * * * * * * | 1 1 1 0 0 0 0 0 0 0 | 2 1 0 0
o.. o..     || demi(o. o.   ) | 1 0 0 1 0 | * 2 * * * * * * * * | 0 1 1 1 0 0 0 0 0 0 | 1 2 0 0
.oo .oo&#x         .. ..     | 0 1 1 0 0 | * * 2 * * * * * * * | 1 0 0 0 1 1 0 0 0 0 | 2 0 1 0
.o. .o.     || demi(o. o.   ) | 0 1 0 1 0 | * * * 2 * * * * * * | 0 1 0 0 1 0 1 0 0 0 | 1 1 1 0
.o. .o.     || demi(.o .o   ) | 0 1 0 0 1 | * * * * 2 * * * * * | 0 0 1 0 0 1 1 0 0 0 | 1 1 1 0
..o ..o     || demi(.o .o   ) | 0 0 1 0 1 | * * * * * 2 * * * * | 0 0 0 0 1 1 0 1 0 0 | 1 0 2 0
... ...            s.2s.     | 0 0 0 2 0 | * * * * * * 1 * * * | 0 0 0 1 0 0 0 0 2 0 | 0 2 0 1
... ...       snub(xx ..&#x) | 0 0 0 1 1 | * * * * * * * 2 * * | 0 0 1 0 1 0 0 0 1 1 | 1 1 1 1
... ...       snub(.. xx&#x) | 0 0 0 1 1 | * * * * * * * * 2 * | 0 0 0 0 0 0 1 0 1 1 | 0 1 1 1
... ...            .s2.s     | 0 0 0 0 2 | * * * * * * * * * 1 | 0 0 0 0 0 0 0 1 0 2 | 0 0 2 1
-----------------------------+-----------+---------------------+---------------------+--------
oqo ...&#xt        .. ..     | 1 2 1 0 0 | 2 0 2 0 0 0 0 0 0 0 | 1 * * * * * * * * * | 2 0 0 0
oo. oo.&#x  || demi(o. o.   ) | 1 1 0 1 0 | 1 1 0 1 0 0 0 0 0 0 | * 2 * * * * * * * * | 1 1 0 0
oo. oo.&#x  || snub(xx ..&#x) | 1 1 0 1 1 | 1 1 0 0 1 0 0 1 0 0 | * * 2 * * * * * * * | 1 1 0 0
o.. o..     ||      s.2s.     | 1 0 0 2 0 | 0 2 0 0 0 0 1 0 0 0 | * * * 1 * * * * * * | 0 2 0 0
.oo .oo&#x  || snub(xx ..&#x) | 0 1 1 1 1 | 0 0 1 1 0 1 0 1 0 0 | * * * * 2 * * * * * | 1 0 1 0
.oo .oo&#x  || demi(.o .o   ) | 0 1 1 0 1 | 0 0 1 0 1 1 0 0 0 0 | * * * * * 2 * * * * | 1 0 1 0
.o. .o.     || snub(.. xx&#x) | 0 1 0 1 1 | 0 0 0 1 1 0 0 0 1 0 | * * * * * * 2 * * * | 0 1 1 0
..o ..o     ||      .s2.s     | 0 0 1 0 2 | 0 0 0 0 0 2 0 0 0 1 | * * * * * * * 1 * * | 0 0 2 0
... ...            so2so&#x  | 0 0 0 2 1 | 0 0 0 0 0 0 1 1 1 0 | * * * * * * * * 2 * | 0 1 0 1
... ...            os2os&#x  | 0 0 0 1 2 | 0 0 0 0 0 0 0 1 1 1 | * * * * * * * * * 2 | 0 0 1 1
-----------------------------+-----------+---------------------+---------------------+--------
oqo ...&#xt || snub(xx ..&#x)  1 2 1 1 1 | 2 1 2 1 1 1 0 1 0 0 | 1 1 1 0 1 1 0 0 0 0 | 2 * * *
oo. oo.&#x  ||      so2so&#x   1 1 0 2 1 | 1 2 0 1 1 0 1 1 1 0 | 0 1 1 1 0 0 1 0 1 0 | * 2 * *
.oo .oo&#x  ||      os2os&#x   0 1 1 1 2 | 0 0 1 1 1 2 0 1 1 1 | 0 0 0 0 1 1 1 1 0 1 | * * 2 *
... ...       snub(xx xx&#x)  0 0 0 2 2 | 0 0 0 0 0 0 1 2 2 1 | 0 0 0 0 0 0 0 0 2 2 | * * * 1

{3} || squippy   → height = sqrt(5/8) = 0.790569

  2 * * * * | 1 1 1 1 0 0 0 0 0 0 0 | 1 1 1 1 1 1 0 0 0 0 0 0 | 1 1 1 1 0 0
  * 1 * * * | 0 2 0 0 2 1 0 0 0 0 0 | 1 0 0 2 2 0 1 2 0 0 0 0 | 1 1 0 2 1 0
  * * 2 * * | 0 0 1 0 1 0 1 1 1 0 0 | 0 1 0 1 0 1 1 1 1 1 1 0 | 1 0 1 1 1 1
  * * * 1 * | 0 0 0 0 0 1 0 2 0 2 0 | 0 0 0 0 2 0 0 2 1 0 2 1 | 0 1 0 2 1 1
  * * * * 2 | 0 0 0 1 0 0 0 0 1 1 1 | 0 0 1 0 1 1 0 0 0 1 1 1 | 0 1 1 1 0 1
------------+-----------------------+-------------------------+------------
  2 0 0 0 0 | 1 * * * * * * * * * * | 1 1 1 0 0 0 0 0 0 0 0 0 | 1 1 1 0 0 0
  1 1 0 0 0 | * 2 * * * * * * * * * | 1 0 0 1 1 0 0 0 0 0 0 0 | 1 1 0 1 0 0
  1 0 1 0 0 | * * 2 * * * * * * * * | 0 1 0 1 0 1 0 0 0 0 0 0 | 1 0 1 1 0 0
  1 0 0 0 1 | * * * 2 * * * * * * * | 0 0 1 0 1 1 0 0 0 0 0 0 | 0 1 1 1 0 0
  0 1 1 0 0 | * * * * 2 * * * * * * | 0 0 0 1 0 0 1 1 0 0 0 0 | 1 0 0 1 1 0
  0 1 0 1 0 | * * * * * 1 * * * * * | 0 0 0 0 2 0 0 2 0 0 0 0 | 0 1 0 2 1 0
  0 0 2 0 0 | * * * * * * 1 * * * * | 0 1 0 0 0 0 1 0 1 1 0 0 | 1 0 1 0 1 1
  0 0 1 1 0 | * * * * * * * 2 * * * | 0 0 0 0 0 0 0 1 1 0 1 0 | 0 0 0 1 1 1
  0 0 1 0 1 | * * * * * * * * 2 * * | 0 0 0 0 0 1 0 0 0 1 1 0 | 0 0 1 1 0 1
  0 0 0 1 1 | * * * * * * * * * 2 * | 0 0 0 0 1 0 0 0 0 0 1 1 | 0 1 0 1 0 1
  0 0 0 0 2 | * * * * * * * * * * 1 | 0 0 1 0 0 0 0 0 0 1 0 1 | 0 1 1 0 0 1
------------+-----------------------+-------------------------+------------
  2 1 0 0 0 | 1 2 0 0 0 0 0 0 0 0 0 | 1 * * * * * * * * * * * | 1 1 0 0 0 0
  2 0 2 0 0 | 1 0 2 0 0 0 1 0 0 0 0 | * 1 * * * * * * * * * * | 1 0 1 0 0 0
  2 0 0 0 2 | 1 0 0 2 0 0 0 0 0 0 1 | * * 1 * * * * * * * * * | 0 1 1 0 0 0
  1 1 1 0 0 | 0 1 1 0 1 0 0 0 0 0 0 | * * * 2 * * * * * * * * | 1 0 0 1 0 0
  1 1 0 1 1 | 0 1 0 1 0 1 0 0 0 1 0 | * * * * 2 * * * * * * * | 0 1 0 1 0 0
  1 0 1 0 1 | 0 0 1 1 0 0 0 0 1 0 0 | * * * * * 2 * * * * * * | 0 0 1 1 0 0
  0 1 2 0 0 | 0 0 0 0 2 0 1 0 0 0 0 | * * * * * * 1 * * * * * | 1 0 0 0 1 0
  0 1 1 1 0 | 0 0 0 0 1 1 0 1 0 0 0 | * * * * * * * 2 * * * * | 0 0 0 1 1 0
  0 0 2 1 0 | 0 0 0 0 0 0 1 2 0 0 0 | * * * * * * * * 1 * * * | 0 0 0 0 1 1
  0 0 2 0 2 | 0 0 0 0 0 0 1 0 2 0 1 | * * * * * * * * * 1 * * | 0 0 1 0 0 1
  0 0 1 1 1 | 0 0 0 0 0 0 0 1 1 1 0 | * * * * * * * * * * 2 * | 0 0 0 1 0 1
  0 0 0 1 2 | 0 0 0 0 0 0 0 0 0 2 1 | * * * * * * * * * * * 1 | 0 1 0 0 0 1
------------+-----------------------+-------------------------+------------
 2 1 2 0 0 | 1 2 2 0 2 0 1 0 0 0 0 | 1 1 0 2 0 0 1 0 0 0 0 0 | 1 * * * * *
 2 1 0 1 2 | 1 2 0 2 0 1 0 0 0 2 1 | 1 0 1 0 2 0 0 0 0 0 0 1 | * 1 * * * *
 2 0 2 0 2 | 1 0 2 2 0 0 1 0 2 0 1 | 0 1 1 0 0 2 0 0 0 1 0 0 | * * 1 * * *
 1 1 1 1 1 | 0 1 1 1 1 1 0 1 1 1 0 | 0 0 0 1 1 1 0 1 0 0 1 0 | * * * 2 * *
 0 1 2 1 0 | 0 0 0 0 2 1 1 2 0 0 0 | 0 0 0 0 0 0 1 2 1 0 0 0 | * * * * 1 *
 0 0 2 1 2 | 0 0 0 0 0 0 1 2 2 2 1 | 0 0 0 0 0 0 0 0 1 1 2 1 | * * * * * 1

x(ox) o(xx)&#x   → height = sqrt(5/12) = 0.645497
(line || ortho trip)

o(..) o(..)    | 2 * * | 1 2 2 0 0 0 0 | 2 2 1 2 1 0 0 0 | 1 1 2 1 0
.(o.) .(o.)    | * 2 * | 0 2 0 1 2 0 0 | 1 0 2 2 0 1 2 0 | 1 0 1 2 1
.(.o) .(.o)    | * * 4 | 0 0 1 0 1 1 1 | 0 1 0 1 1 1 1 1 | 0 1 1 1 1
---------------+-------+---------------+-----------------+----------
x(..) .(..)    | 2 0 0 | 1 * * * * * * | 2 2 0 0 0 0 0 0 | 1 1 2 0 0
o(o.) o(o.)&#x | 1 1 0 | * 4 * * * * * | 1 0 1 1 0 0 0 0 | 1 0 1 1 0
o(.o) o(.o)&#x | 1 0 1 | * * 4 * * * * | 0 1 0 1 1 0 0 0 | 0 1 1 1 0
.(..) .(x.)    | 0 2 0 | * * * 1 * * * | 0 0 2 0 0 0 2 0 | 1 0 0 2 1
.(oo) .(oo)&#x | 0 1 1 | * * * * 4 * * | 0 0 0 1 0 1 1 0 | 0 0 1 1 1
.(.x) .(..)    | 0 0 2 | * * * * * 2 * | 0 1 0 0 0 1 0 1 | 0 1 1 0 1
.(..) .(.x)    | 0 0 2 | * * * * * * 2 | 0 0 0 0 1 0 1 1 | 0 1 0 1 1
---------------+-------+---------------+-----------------+----------
x(o.) .(..)&#x | 2 1 0 | 1 2 0 0 0 0 0 | 2 * * * * * * * | 1 0 1 0 0
x(.x) .(..)&#x | 2 0 2 | 1 0 2 0 0 1 0 | * 2 * * * * * * | 0 1 1 0 0
.(..) o(x.)&#x | 1 2 0 | 0 2 0 1 0 0 0 | * * 2 * * * * * | 1 0 0 1 0
o(oo) o(oo)&#x | 1 1 1 | 0 1 1 0 1 0 0 | * * * 4 * * * * | 0 0 1 1 0
.(..) o(.x)&#x | 1 0 2 | 0 0 2 0 0 0 1 | * * * * 2 * * * | 0 1 0 1 0
.(ox) .(..)&#x | 0 1 2 | 0 0 0 0 2 1 0 | * * * * * 2 * * | 0 0 1 0 1
.(..) .(xx)&#x | 0 2 2 | 0 0 0 1 2 0 1 | * * * * * * 2 * | 0 0 0 1 1
.(.x) .(.x)    | 0 0 4 | 0 0 0 0 0 2 2 | * * * * * * * 1 | 0 1 0 0 1
---------------+-------+---------------+-----------------+----------
x(o.) o(x.)&#x  2 2 0 | 1 4 0 1 0 0 0 | 2 0 2 0 0 0 0 0 | 1 * * * *
x(.x) o(.x)&#x  2 0 4 | 1 0 4 0 0 2 2 | 0 2 0 0 2 0 0 1 | * 1 * * *
x(ox) .(..)&#x  2 1 2 | 1 2 2 0 2 1 0 | 1 1 0 2 0 1 0 0 | * * 2 * *
.(..) o(xx)&#x  1 2 2 | 0 2 2 1 2 0 1 | 0 0 1 2 1 0 1 0 | * * * 2 *
.(ox) .(xx)&#x  0 2 4 | 0 0 0 1 4 2 2 | 0 0 0 0 0 2 2 1 | * * * * 1

( xo.&#x, xo.&#x, ..x )&#x   → height = sqrt(5/12) = 0.645497
(line || ortho trip)

( o..   , ...   , ... )    & | 4 * * | 1 1 1 1 0 0 0 | 1 1 1 1 1 1 0 0 | 1 1 1 1 0
( .o.   , ...   , ... )    & | * 2 * | 0 2 0 0 1 2 0 | 1 0 2 2 0 0 2 1 | 1 2 1 0 1
( ...   , ...   , ..o )      | * * 2 | 0 0 0 2 0 2 1 | 0 0 0 2 1 2 1 2 | 0 1 2 1 1
-----------------------------+-------+---------------+-----------------+----------
( x..   , ...   , ... )    & | 2 0 0 | 2 * * * * * * | 1 1 0 0 0 1 0 0 | 1 0 1 1 0
( oo.&#x, ...   , ... )    & | 1 1 0 | * 4 * * * * * | 1 0 1 1 0 0 0 0 | 1 1 1 0 0
( o..   , o..   , ... )&#x & | 2 0 0 | * * 2 * * * * | 0 1 1 0 1 0 0 0 | 1 1 0 1 0
( o..   , ...   , ..o )&#x & | 1 0 1 | * * * 4 * * * | 0 0 0 1 1 1 0 0 | 0 1 1 1 0
( .o.   , .o.   , ... )&#x   | 0 2 0 | * * * * 1 * * | 0 0 2 0 0 0 2 0 | 1 2 0 0 1
( .o.   , ...   , ..o )&#x & | 0 1 1 | * * * * * 4 * | 0 0 0 1 0 0 1 1 | 0 1 1 0 1
( ...   , ...   , ..x )      | 0 0 2 | * * * * * * 1 | 0 0 0 0 0 2 0 2 | 0 0 2 1 1
-----------------------------+-------+---------------+-----------------+----------
( xo.&#x, ...   , ... )    & | 2 1 0 | 1 2 0 0 0 0 0 | 2 * * * * * * * | 1 0 1 0 0
( x..   , x..   , ... )&#x   | 4 0 0 | 2 0 2 0 0 0 0 | * 1 * * * * * * | 1 0 0 1 0
( oo.&#x, oo.&#x, ... )&#x   | 2 2 0 | 0 2 1 0 1 0 0 | * * 2 * * * * * | 1 1 0 0 0
( oo.&#x, ...   , ..o )&#x & | 1 1 1 | 0 1 0 1 0 1 0 | * * * 4 * * * * | 0 1 1 0 0
( o..   , o..   , ..o )&#x   | 2 0 1 | 0 0 1 2 0 0 0 | * * * * 2 * * * | 0 1 0 1 0
( x..   , ...   , ..x )&#x & | 2 0 2 | 1 0 0 2 0 0 1 | * * * * * 2 * * | 0 0 1 1 0
( .o.   , .o.   , ..o )&#x & | 0 2 1 | 0 0 0 0 1 2 0 | * * * * * * 2 * | 0 1 0 0 1
( .o.   , ...   , ..x )&#x & | 0 1 2 | 0 0 0 0 0 2 1 | * * * * * * * 2 | 0 0 1 0 1
-----------------------------+-------+---------------+-----------------+----------
( xo.&#x, xo.&#x, ... )&#x    4 2 0 | 2 4 2 0 1 0 0 | 2 1 2 0 0 0 0 0 | 1 * * * *
( oo.&#x, oo.&#x, ..o )&#x    2 2 1 | 0 2 1 2 1 2 0 | 0 0 1 2 1 0 1 0 | * 2 * * *
( xo.&#x, ...   , ..x )&#x &  2 1 2 | 1 2 0 2 0 2 1 | 1 0 0 2 0 1 0 1 | * * 2 * *
( x..   , x..   , ..x )&#x    4 0 2 | 2 0 2 4 0 0 1 | 0 1 0 0 2 2 0 0 | * * * 1 *
( .o.   , .o.   , ..x )&#x    0 2 2 | 0 0 0 0 1 4 1 | 0 0 0 0 0 0 2 2 | * * * * 1

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