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

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

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

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

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