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

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

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

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

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