[ -1 ] 0 |-> 1 |-> 3 |-> -1 2 |-> 3 -3 |-> 3 -2 |-> -1 f(z) = -1/3*z^3 + 7/3*z + 1 * [ 3 ] 0 |-> 1 |-> -1 |-> 3 2 |-> -1 -3 |-> -1 -2 |-> 3 f(z) = 1/3*z^3 - 7/3*z + 1 * [ 3/2 ] 5/2 |-> -3/2 |-> 1/2 |-> 3/2 2 |-> 1/2 -1/2 |-> 1/2 -2 |-> 3/2 f(z) = -1/3*z^3 + 13/12*z + 1 * [ 1/2 ] -5/2 |-> -3/2 |-> 3/2 |-> 1/2 2 |-> 3/2 -1/2 |-> 3/2 -2 |-> 1/2 f(z) = 1/3*z^3 - 13/12*z + 1 * [ 5/3 ] -4/3 |-> -1/3 |-> 1/3 |-> 5/3 2 |-> 1/3 -5/3 |-> 1/3 -2 |-> 5/3 f(z) = -3/5*z^3 + 31/15*z + 1 * [ 1/3 ] 4/3 |-> -1/3 |-> 5/3 |-> 1/3 2 |-> 5/3 -5/3 |-> 5/3 -2 |-> 1/3 f(z) = 3/5*z^3 - 31/15*z + 1 * TOTAL: 6