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