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