C111112111133131121133133313331333133313331312111112111133133313221232233131   >>    C11111211113313112113313331333133313331333131211111211113313331322123223313   <<    C111112111133131121133133313331333133313331312111112111133133313221232233133   >>      C111112111133131121133133313331333133313331312111112111133133313221232233132   >>