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

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

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

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

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