C111112111133131121133133313331333131333132322331331121211211311   >>    C11111211113313112113313331333133313133313232233133112121121131   <<    C111112111133131121133133313331333131333132322331331121211211313   >>      C111112111133131121133133313331333131333132322331331121211211312   >>