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

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

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

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

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