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

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

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

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

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