C111112111133131121133133313331333131133132313331333131133132313232321   >>    C11111211113313112113313331333133313113313231333133313113313231323232   <<    C111112111133131121133133313331333131133132313331333131133132313232323   >>      C111112111133131121133133313331333131133132313331333131133132313232322   >>