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