(0 21 15)(1 20 3)(2 7 4)(5 10 8)(6 18 16 14 12)(9 19 17 13 11)
ALLOWS (11/8)-SEQUENCE
1: (0 6 15)
(0)(1 20 3)(2 7 4)(5 10 8)(6 21 15 18 16 14 12)(9 19 17 13 11)
2: (12 15 18)
(0)(1 20 3)(2 7 4)(5 10 8)(6 21 15)(9 19 17 13 11)(12 16 14)(18)
3: (13 19 17)
(0)(1 20 3)(2 7 4)(5 10 8)(6 21 15)(9 19 11)(12 16 14)(13)(17)(18)
4: (12 16 14)
(0)(1 20 3)(2 7 4)(5 10 8)(6 21 15)(9 19 11)(12)(13)(14)(16)(17)(18)