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