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

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

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

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

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