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

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

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

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

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