(0 19 17 4 3)(1 20 2)(5 9 7)(6 13 11)(8 16 10 21 15)(12 18 14)
ALLOWS (11/8)-SEQUENCE
1: (0 9 17)

(0 4 3)(1 20 2)(5 9 19 17 7)(6 13 11)(8 16 10 21 15)(12 18 14)
2: (8 21 15)

(0 4 3)(1 20 2)(5 9 19 17 7)(6 13 11)(8)(10 21 16)(12 18 14)(15)
3: (5 9 19)

(0 4 3)(1 20 2)(5 17 7)(6 13 11)(8)(9)(10 21 16)(12 18 14)(15)(19)
4: (10 21 16)

(0 4 3)(1 20 2)(5 17 7)(6 13 11)(8)(9)(10)(12 18 14)(15)(16)(19)(21)