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