C111112111133131121133133313331333131333132322331333131133133313113313111321   >>    C11111211113313112113313331333133313133313232233133313113313331311331311132   <<    C111112111133131121133133313331333131333132322331333131133133313113313111323   >>      C111112111133131121133133313331333131333132322331333131133133313113313111322   >>