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

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

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

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

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