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