(0 12 7 6 4)(1 21 3)(2 10 9)(5 13 8)(11 16 14)(15 19 17)(18 22 20)
ALLOWS (11/8)-SEQUENCE
1: (0 2 4)

(0)(1 21 3)(2 12 7 6 4 10 9)(5 13 8)(11 16 14)(15 19 17)(18 22 20)
2: (1 21 3)

(0)(1)(2 12 7 6 4 10 9)(3)(5 13 8)(11 16 14)(15 19 17)(18 22 20)(21)
3: (2 6 9)

(0)(1)(2)(3)(4 10 9)(5 13 8)(6 12 7)(11 16 14)(15 19 17)(18 22 20)(21)
4: (5 13 8)

(0)(1)(2)(3)(4 10 9)(5)(6 12 7)(8)(11 16 14)(13)(15 19 17)(18 22 20)(21)