Ermakov, nu kogda cifry s 1 do 4, 4 ryada, 4 stroki i 4 zhe sekcii 2x2 naprimer: 1423 3214 2341 4132
Moj syn zainteresovalsya tem aka ya reshayu "sidoku" hoxhet tozhe... Ya emu sama sostavlyayu malen"kie tablichki 4x4. No mozhet byt' est' gde-to uzhe gotovye? A to ya ne uspavayu moi reshat poka on reshaet svoi....