C111112111133131121133133313133313231333133313331333133313311213111   >>    C11111211113313112113313331313331323133313331333133313331331121311   <<    C111112111133131121133133313133313231333133313331333133313311213113   >>      C111112111133131121133133313133313231333133313331333133313311213112   >>