:37=c1 rest 13
x=M₃₇ +13
x=37*1+13=37+13=50 nu apartine conditiei date
x=37*2+13=74+13=87 nu apartine conditiei date
x=37*3+13=111+13=124
x=37*4+13=148+13=161
x=37*5+13=185+13=198
............................................
x=37*25+13=925+13=938
x=37*26+13=962+13=975
x=37*27+13=999+13=1012 nu apartine conditiei date
