C111112111133131121133133313331333131333132322331313331311211331333113121   >>    C11111211113313112113313331333133313133313232233131333131121133133311312   <<    C111112111133131121133133313331333131333132322331313331311211331333113123   >>      C111112111133131121133133313331333131333132322331313331311211331333113122   >>