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

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

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

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

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