C111112111133131121133133313331333131333132322331311211331323233311   >>    C11111211113313112113313331333133313133313232233131121133132323331   <<    C111112111133131121133133313331333131333132322331311211331323233313   >>      C111112111133131121133133313331333131333132322331311211331323233312   >>