Răspuns :
a+b+c=11
119,128,127,146,155,164,173,182,191
209,218,227,236,245,254,263,272,281,290
119,128,127,146,155,164,173,182,191
209,218,227,236,245,254,263,272,281,290
1+1+9=11
1+2+8=11
1+3+7=11
1+4+6=11
..............................
119, 128, 137, 146, 155, 164, 173, 182, 191, 209, 218, 227, 236, 245, 254, 263, 272, 281, 290