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