rosso c1 = 0.697428654324593 c2 = 1.90440773384677 c3 = 0.106974013426111 c4 = 0.282318192582209 c5 = 2.03624253818774 c6 = 0.092452989494036 c7 = 0.269669005233968 c8 = 2.05531693805454 c9 = 0.313440976514506