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

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

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

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

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