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