[ -4/13 ] [ -2 ] [ 30/13 ] 
34/13 |-> -4/13
4/13 |-> 30/13
36/13 |-> -2
-34/13 |-> 30/13
-10/13 |-> -2
-30/13 |-> -4/13
-14/13 | 0.20460682032389289538938544192760675121 | 0.029468992171508792563618625512028591634
f(z) = -169/240*z^3 + 259/60*z + 1
*
20 | 0.015640750611363446021504667337531417642 | 0.0024425032220923850880237652746256529957
-12 | 0.015640750611363446021504667337531417642 | 0.0024425032220923850880237652746256529957
10 | 0.046920021785310409844278668272055580469 | 0.0073271614156422758521577171820278936138
-28 | 0.046920021785310409844278668272055580469 | 0.0073271614156422758521577171820278936138
18 | 0.046920021785310409844278668272055580469 | 0.0073271614156422758521577171820278936138
-22 | 0.046920791460614355167938042781969279508 | 0.0073272816102836049942227880206439772575
-10 | 0.14075745295448300669391123121317165168 | 0.021981076287033262904470067160386259377
-18 | 0.14075745295448300669391123121317165168 | 0.021981076287033262904470067160386259377
22 | 0.14075745295448300669391123121317165168 | 0.021981076287033262904470067160386259377
28 | 0.14075745295448300669391123121317165168 | 0.021981076287033262904470067160386259377
f(z) = -1/240*z^3 + 151/60*z + 1
*
[ -20 18 ] [ -10 22 ] [ 12 -22 ] 
28 |-> 22
-18 |-> 22
-28 |-> -20
10 |-> -20
f(z) = 1/240*z^3 - 151/60*z + 1
*
TOTAL: 3