C1111133313331323223313331333133313113313113313231333132333331111   >>    C111113331333132322331333133313331311331311331323133313233333111   <<    C1111133313331323223313331333133313113313113313231333132333331113   >>      C1111133313331323223313331333133313113313113313231333132333331112   >>