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

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

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

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

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