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

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

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

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

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