*      *
123456712345671234567123456712345671234567
123456712345671234567123456712345671234567
123456723456723456723456723456723455672345
123456723456723456723456723456723455672345
123456734567345673456734567345673454567345
123456734567345673456734567345673454567345
123456745674567456745674567456745675674567
123456745674567456745674567456745675674567
123456756756756756756756756756756755675675
123456756756756756756756756756756755675675
123456712345671234567123456712345671234567
123456712345671234567123456712345671234567