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