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

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

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

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

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