(0 21 12)(1 22 19)(2 23 4)(3 7 5)(6 14 8)(9 15 10)(11 17 13)(16 20 18)
ALLOWS (11/8)-SEQUENCE
1: (12 16 21)
(0 21 20 18 16)(1 22 19)(2 23 4)(3 7 5)(6 14 8)(9 15 10)(11 17 13)(12)
2: (11 17 13)
(0 21 20 18 16)(1 22 19)(2 23 4)(3 7 5)(6 14 8)(9 15 10)(11)(12)(13)(17)
3: (0 18 16)
(0)(1 22 19)(2 23 4)(3 7 5)(6 14 8)(9 15 10)(11)(12)(13)(16)(17)(18 21 20)
4: (1 22 19)
(0)(1)(2 23 4)(3 7 5)(6 14 8)(9 15 10)(11)(12)(13)(16)(17)(18 21 20)(19)(22)