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

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

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

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

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