C1111233133313231133133313231333133313113313113313331333212331333131133121   >>    C111123313331323113313331323133313331311331311331333133321233133313113312   <<    C1111233133313231133133313231333133313113313113313331333212331333131133123   >>      C1111233133313231133133313231333133313113313113313331333212331333131133122   >>