Incidence matrix according to Dynkin symbol

ox3oo3oo *b3oo3oo3oo3oo&#x   → height = 1/sqrt(8) = 0.353553

o.3o.3o. *b3o.3o.3o.3o.    | 1  * ♦ 64   0 | 672    0 | 2240   0    0 | 560 2240   0    0 | 280 1344  0   0 | 84 448  0  0 | 14 64 0
.o3.o3.o *b3.o3.o3.o3.o    | * 64 |  1  21 |  21  105 |  105  35  140 |  35  140  35  105 |  35  105 21  42 | 21  42  7  7 |  7  7 1
---------------------------+------+--------+----------+---------------+-------------------+-----------------+--------------+--------
oo3oo3oo *b3oo3oo3oo3oo&#x | 1  1 | 64   * ♦  21    0 |  105   0    0 |  35  140   0    0 |  35  105  0   0 | 21  42  0  0 |  7  7 0
.x .. ..    .. .. .. ..    | 0  2 |  * 672 |   1   10 |   10   5   20 |   5   20  10   20 |  10   20 10  10 | 10  10  5  2 |  5  2 1
---------------------------+------+--------+----------+---------------+-------------------+-----------------+--------------+--------
ox .. ..    .. .. .. ..&#x | 1  2 |  2   1 | 672    * ♦   10   0    0 |   5   20   0    0 |  10   20  0   0 | 10  10  0  0 |  5  2 0
.x3.o ..    .. .. .. ..    | 0  3 |  0   3 |   * 2240 |    1   1    4 |   1    4   4    6 |   4    6  6   4 |  6   4  4  1 |  4  1 1
---------------------------+------+--------+----------+---------------+-------------------+-----------------+--------------+--------
ox3oo ..    .. .. .. ..&#x ♦ 1  3 |  3   3 |   3    1 | 2240   *    * |   1    4   0    0 |   4    6  0   0 |  6   4  0  0 |  4  1 0
.x3.o3.o    .. .. .. ..    ♦ 0  4 |  0   6 |   0    4 |    * 560    * |   1    0   4    0 |   4    0  6   0 |  6   0  4  0 |  4  0 1
.x3.o .. *b3.o .. .. ..    ♦ 0  4 |  0   6 |   0    4 |    *   * 2240 |   0    1   1    3 |   1    3  3   3 |  3   3  3  1 |  3  1 1
---------------------------+------+--------+----------+---------------+-------------------+-----------------+--------------+--------
ox3oo3oo    .. .. .. ..&#x ♦ 1  4 |  4   6 |   6    4 |    4   1    0 | 560    *   *    * ♦   4    0  0   0 |  6   0  0  0 |  4  0 0
ox3oo .. *b3oo .. .. ..&#x ♦ 1  4 |  4   6 |   6    4 |    4   0    1 |   * 2240   *    * |   1    3  0   0 |  3   3  0  0 |  3  1 0
.x3.o3.o *b3.o .. .. ..    ♦ 0  8 |  0  24 |   0   32 |    0   8    8 |   *    * 280    * |   1    0  3   0 |  3   0  3  0 |  3  0 1
.x3.o .. *b3.o3.o .. ..    ♦ 0  5 |  0  10 |   0   10 |    0   0    5 |   *    *   * 1344 |   0    1  1   2 |  1   2  2  1 |  2  1 1
---------------------------+------+--------+----------+---------------+-------------------+-----------------+--------------+--------
ox3oo3oo *b3oo .. .. ..&#x ♦ 1  8 |  8  24 |  24   32 |   32   8    8 |   8    8   1    0 | 280    *  *   * |  3   0  0  0 |  3  0 0
ox3oo .. *b3oo3oo .. ..&#x ♦ 1  5 |  5  10 |  10   10 |   10   0    5 |   0    5   0    1 |   * 1344  *   * |  1   2  0  0 |  2  1 0
.x3.o3.o *b3.o3.o .. ..    ♦ 0 16 |  0  80 |   0  160 |    0  40   80 |   0    0  10   16 |   *    * 84   * |  1   0  2  0 |  2  0 1
.x3.o .. *b3.o3.o3.o ..    ♦ 0  6 |  0  15 |   0   20 |    0   0   15 |   0    0   0    6 |   *    *  * 448 |  0   1  1  1 |  1  1 1
---------------------------+------+--------+----------+---------------+-------------------+-----------------+--------------+--------
ox3oo3oo *b3oo3oo .. ..&#x ♦ 1 16 | 16  80 |  80  160 |  160  40   80 |  40   80  10   16 |  10   16  1   0 | 84   *  *  * |  2  0 0
ox3oo .. *b3oo3oo3oo ..&#x ♦ 1  6 |  6  15 |  15   20 |   20   0   15 |   0   15   0    6 |   0    6  0   1 |  * 448  *  * |  1  1 0
.x3.o3.o *b3.o3.o3.o ..    ♦ 0 32 |  0 240 |   0  640 |    0 160  480 |   0    0  60  192 |   0    0 12  32 |  *   * 14  * |  1  0 1
.x3.o .. *b3.o3.o3.o3.o    ♦ 0  7 |  0  21 |   0   35 |    0   0   35 |   0    0   0   21 |   0    0  0   7 |  *   *  * 64 |  0  1 1
---------------------------+------+--------+----------+---------------+-------------------+-----------------+--------------+--------
ox3oo3oo *b3oo3oo3oo ..&#x ♦ 1 32 | 32 240 | 240  640 |  640 160  480 | 160  480  60  192 |  60  192 12  32 | 12  32  1  0 | 14  * *
ox3oo .. *b3oo3oo3oo3oo&#x ♦ 1  7 |  7  21 |  21   35 |   35   0   35 |   0   35   0   21 |   0   21  0   7 |  0   7  0  1 |  * 64 *
.x3.o3.o *b3.o3.o3.o3.o    ♦ 0 64 |  0 672 |   0 2240 |    0 560 2240 |   0    0 280 1344 |   0    0 84 448 |  0   0 14 64 |  *  * 1