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