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