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

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

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

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

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