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