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

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

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

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

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