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

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

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

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

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