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