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

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

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

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

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