C1111233133313231133133313231333133313113313113313231323331333211311   >>    C111123313331323113313331323133313331311331311331323132333133321131   <<    C1111233133313231133133313231333133313113313113313231323331333211313   >>      C1111233133313231133133313231333133313113313113313231323331333211312   >>