C1111233133313231133133313231333133313113313113313331323321331111   >>    C111123313331323113313331323133313331311331311331333132332133111   <<    C1111233133313231133133313231333133313113313113313331323321331113   >>      C1111233133313231133133313231333133313113313113313331323321331112   >>