C111112111133131121133133313331311331333133313231333132212111121   >>    C11111211113313112113313331333131133133313331323133313221211112   <<    C111112111133131121133133313331311331333133313231333132212111123   >>      C111112111133131121133133313331311331333133313231333132212111122   >>