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

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

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

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

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