C1111233133313231133133313331333132313331322312113313231333131133131212121211   >>    C111123313331323113313331333133313231333132231211331323133313113313121212121   <<    C1111233133313231133133313331333132313331322312113313231333131133131212121213   >>      C1111233133313231133133313331333132313331322312113313231333131133131212121212   >>