Incidence matrix according to Dynkin symbol

o3o3o3o3x3x3/2*d

. . . . . .      | 42 |   5   5 |  10  10  5 |  10  10 10 |  5  5 10 | 1 1 5
-----------------+----+---------+------------+------------+----------+------
. . . . x .      |  2 | 105   * |   4   0  1 |   6   0  4 |  4  0  6 | 1 0 4
. . . . . x      |  2 |   * 105 |   0   4  1 |   0   6  4 |  0  4  6 | 0 1 4
-----------------+----+---------+------------+------------+----------+------
. . . o3x .      |  3 |   3   0 | 140   *  * |   3   0  1 |  3  0  3 | 1 0 3
. . . o . x3/2*d |  3 |   0   3 |   * 140  * |   0   3  1 |  0  3  3 | 0 1 3
. . . . x3x      |  6 |   3   3 |   *   * 35 |   0   0  4 |  0  0  6 | 0 0 4
-----------------+----+---------+------------+------------+----------+------
. . o3o3x .      ♦  4 |   6   0 |   4   0  0 | 105   *  * |  2  0  1 | 1 0 2
. . o3o . x3/2*d ♦  4 |   0   6 |   0   4  0 |   * 105  * |  0  2  1 | 0 1 2
. . . o3x3x3/2*d ♦ 12 |  12  12 |   4   4  4 |   *   * 35 |  0  0  3 | 0 0 3
-----------------+----+---------+------------+------------+----------+------
. o3o3o3x .      ♦  5 |  10   0 |  10   0  0 |   5   0  0 | 42  *  * | 1 0 1
. o3o3o . x3/2*d ♦  5 |   0  10 |   0  10  0 |   0   5  0 |  * 42  * | 0 1 1
. . o3o3x3x3/2*d ♦ 20 |  30  30 |  20  20 10 |   5   5  5 |  *  * 21 | 0 0 2
-----------------+----+---------+------------+------------+----------+------
o3o3o3o3x .      ♦  6 |  15   0 |  20   0  0 |  15   0  0 |  6  0  0 | 7 * *
o3o3o3o . x3/2*d ♦  6 |   0  15 |   0  20  0 |   0  15  0 |  0  6  0 | * 7 *
. o3o3o3x3x3/2*d ♦ 30 |  60  60 |  60  60 20 |  30  30 15 |  6  6  6 | * * 7