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