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

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

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

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

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