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