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

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

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

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

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