C111112111133131121133133313331333133313331323133313331333133322331313311   >>    C11111211113313112113313331333133313331333132313331333133313332233131331   <<    C111112111133131121133133313331333133313331323133313331333133322331313313   >>      C111112111133131121133133313331333133313331323133313331333133322331313312   >>