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