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