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

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

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

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

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