C1111233133313231133133313331333132313331323113121111332322333121   >>    C111123313331323113313331333133313231333132311312111133232233312   <<    C1111233133313231133133313331333132313331323113121111332322333123   >>      C1111233133313231133133313331333132313331323113121111332322333122   >>