C111112111133131121133133313331333131333132322331333132313231333133313113221   >>    C11111211113313112113313331333133313133313232233133313231323133313331311322   <<    C111112111133131121133133313331333131333132322331333132313231333133313113223   >>      C111112111133131121133133313331333131333132322331333132313231333133313113222   >>