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

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

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

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

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