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

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

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

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

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