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