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