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

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

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

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

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