C111112111133131121133133313331333131131211113313331333133313231333132233131111   >>    C11111211113313112113313331333133313113121111331333133313331323133313223313111   <<    C111112111133131121133133313331333131131211113313331333133313231333132233131113   >>      C111112111133131121133133313331333131131211113313331333133313231333132233131112   >>