Incidence matrix according to Dynkin symbol

o5x3o3o5o   (N → ∞)

. . . . . |  60N |   24 |   12    60 |  30   40 | 20 2
----------+------+------+------------+----------+-----
. x . . . |    2 | 720N |    1     5 |   5    5 |  5 1
----------+------+------+------------+----------+-----
o5x . . . |    5 |    5 | 144N     * |   5    0 |  5 0
. x3o . . |    3 |    3 |    * 1200N |   1    2 |  2 1
----------+------+------+------------+----------+-----
o5x3o . . ♦   30 |   60 |   12    20 | 60N    * |  2 0
. x3o3o . ♦    4 |    6 |    0     4 |   * 600N |  1 1
----------+------+------+------------+----------+-----
o5x3o3o . ♦ 1200 | 3600 |  720  2400 | 120  600 |  N *
. x3o3o5o ♦  120 |  720 |    0  1200 |   0  600 |  * N