(0 21 9)(1 22 19)(2 23 4)(3 7 5)(6 13 11)(8 15 10)(12 18 17)(14 20 16)
ALLOWS (11/8)-SEQUENCE
1: (9 12 21)

(0 21 18 17 12)(1 22 19)(2 23 4)(3 7 5)(6 13 11)(8 15 10)(9)(14 20 16)
2: (8 15 10)

(0 21 18 17 12)(1 22 19)(2 23 4)(3 7 5)(6 13 11)(8)(9)(10)(14 20 16)(15)
3: (0 17 12)

(0)(1 22 19)(2 23 4)(3 7 5)(6 13 11)(8)(9)(10)(12)(14 20 16)(15)(17 21 18)
4: (6 13 11)

(0)(1 22 19)(2 23 4)(3 7 5)(6)(8)(9)(10)(11)(12)(13)(14 20 16)(15)(17 21 18)