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

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

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

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

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