28×72= 2t4f3w3a1D,C)C7i(S:B7l+f'`)p4t+I4O-r0C6L,H;X+l3T0_'f9M8q9P-e(i
55×44=:~9Q,k.Y9^1d*D,h9X;r5I-y:l8m-r0C6L,H;X+l3T0_'f9M8q9P-e(i
18×18=)G;e9v-C2B-M-g4C(O-r0C6L,H;X+l3T0_'f9M8q9P-e(i