C1111121111331311211331333133313231333132213233313331311331333132232321   >>    C111112111133131121133133313331323133313221323331333131133133313223232   <<    C1111121111331311211331333133313231333132213233313331311331333132232323   >>      C1111121111331311211331333133313231333132213233313331311331333132232322   >>