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