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