I----------------I--------------------I------------------I 228948
a + b + c
I----------------I-------------------I 40011
a + b
atunci c = 228948 - 40011 = 188837
I-------------------I--------------------I 209937
b + c
atunci a = 228948 - 209937 = 19011
b = 209937 - c = 209937 - 188837 = 21100