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