C111112111133131121133133313331333132313232233132313331323133313331311331322111   >>    C11111211113313112113313331333133313231323223313231333132313331333131133132211   <<    C111112111133131121133133313331333132313232233132313331323133313331311331322113   >>      C111112111133131121133133313331333132313232233132313331323133313331311331322112   >>