C111112111133131121133133313331333133313331323133313331333132212111133131323211   >>    C11111211113313112113313331333133313331333132313331333133313221211113313132321   <<    C111112111133131121133133313331333133313331323133313331333132212111133131323213   >>      C111112111133131121133133313331333133313331323133313331333132212111133131323212   >>