C111112111133131121133133313331333133313331323133313331333133313331322121221221   >>    C11111211113313112113313331333133313331333132313331333133313331333132212122122   <<    C111112111133131121133133313331333133313331323133313331333133313331322121221223   >>      C111112111133131121133133313331333133313331323133313331333133313331322121221222   >>