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

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

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

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

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