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

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

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

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

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