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