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

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

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

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

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