[ 5/12 1/4 ] [ 2/3 ] 
1/6 |-> 7/12 |-> 5/12
-5/6 |-> 5/12
f(z) = 24/5*z^3 - 79/30*z + 1
*
[ 0 1 ] [ 2/7 ] 
8/7 |-> 3/7 |-> 0
-10/7 |-> 0
5/7 | 0.068975964724151803821769089527329716693 | 0.015785968171060213257250240860596904603
f(z) = 49/30*z^3 - 79/30*z + 1
*
[ 1 -9/5 ] [ 1/5 ] 
-1/5 |-> 9/5 |-> 1
0 |-> 1
f(z) = 5/4*z^3 - 81/20*z + 1
*
TOTAL: 3