C1111233133313231133133313331333133313231331121133132322333233121   >>    C111123313331323113313331333133313331323133112113313232233323312   <<    C1111233133313231133133313331333133313231331121133132322333233123   >>      C1111233133313231133133313331333133313231331121133132322333233122   >>