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