C1111121111331311211331333133313331323132322331323133313231333113121   >>    C111112111133131121133133313331333132313232233132313331323133311312   <<    C1111121111331311211331333133313331323132322331323133313231333113123   >>      C1111121111331311211331333133313331323132322331323133313231333113122   >>