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

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

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

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

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