When

star conversion 1

star conversion 2

x $\equiv$ 3 mod 9

A[6, −4] y = 4x/3 − 7

B[1, −2] y = x/6 − 1/2

x $\equiv$ 6 mod 9

C[4, −4] y = x/3 − 2

D[3, −2] y = 2x/3 − 1

x $\equiv$ 0 mod 9

E[2, −4] y = x/12 − 3/4

F[5, −2] y = 8x/3 − 3

Always

G[+6] y = 64x + 21