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

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

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

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

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