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