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