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