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