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

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

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

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

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