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

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

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

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

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