As abstract polytope skivpacoca is isomorphic to gikkiv pacoca, thereby replacing octagrams by octagons, resp. sirco by querco, stop by op, and gocco by socco.

Incidence matrix according to Dynkin symbol

x4o3x4/3x4*b   (N,M → ∞)

. . .   .    | 24NM |    2    2    2 |   1    2    2   1   1   2 |  1  1   2  1
-------------+------+----------------+---------------------------+-------------
x . .   .    |    2 | 24NM    *    * |   1    1    1   0   0   0 |  1  1   1  0
. . x   .    |    2 |    * 24NM    * |   0    1    0   1   0   1 |  1  0   1  1
. . .   x    |    2 |    *    * 24NM |   0    0    1   0   1   1 |  0  1   1  1
-------------+------+----------------+---------------------------+-------------
x4o .   .    |    4 |    4    0    0 | 6NM    *    *   *   *   * |  1  1   0  0
x . x   .    |    4 |    2    2    0 |   * 12NM    *   *   *   * |  1  0   1  0
x . .   x    |    4 |    2    0    2 |   *    * 12NM   *   *   * |  0  1   1  0
. o3x   .    |    3 |    0    3    0 |   *    *    * 8NM   *   * |  1  0   0  1
. o .   x4*b |    4 |    0    0    4 |   *    *    *   * 6NM   * |  0  1   0  1
. . x4/3x    |    8 |    0    4    4 |   *    *    *   *   * 6NM |  0  0   1  1
-------------+------+----------------+---------------------------+-------------
x4o3x   .    ♦   24 |   24   24    0 |   6   12    0   8   0   0 | NM  *   *  *
x4o .   x4*b ♦   4M |   4M    0   4M |   M    0   2M   0   M   0 |  * 6N   *  *
x . x4/3x    ♦   16 |    8    8    8 |   0    4    4   0   0   2 |  *  * 3NM  *
. o3x4/3x4*b ♦   24 |    0   24   24 |   0    0    0   8   6   6 |  *  *   * NM