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

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

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

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

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