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