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