[ 0 1 ] 
-1/2 |-> 0
f(z) = -4*z^3 + 3*z + 1
*
[ -2/7 6/7 ] 
4/7 |-> 6/7
f(z) = -49/16*z^3 + 3/4*z + 1
*
[ 15/14 5/14 ] 
-5/7 |-> 15/14
f(z) = -98/125*z^3 + 3/10*z + 1
*
[ -15 10 ] 
-20 |-> -15
f(z) = 1/125*z^3 - 12/5*z + 1
*
[ -20/7 12/7 ] 
-24/7 |-> -20/7
f(z) = 49/128*z^3 - 27/8*z + 1
*
[ -3/13 4/13 ] 
-2/13 |-> -3/13
f(z) = -169*z^3 + 12*z + 1
*
[ -1/15 4/15 ] 
-2/15 |-> -1/15
f(z) = -225*z^3 + 12*z + 1
*
TOTAL: 7