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