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