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

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

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

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

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