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