[ 0 1 ] 
3 |-> 2 |-> 0
-1 |-> 2
-2 |-> 2
-3 |-> 0
f(z) = 1/6*z^3 - 7/6*z + 1
*
[ 7/5 -16/15 ] 
-3/5 |-> 3/5 |-> 7/5
16/15 |-> 3/5
-7/15 |-> 3/5
7/15 |-> 7/5
f(z) = -75/56*z^3 + 193/168*z + 1
*
TOTAL: 2