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

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

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

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

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