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