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

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

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

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

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