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

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

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

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

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