C111112111133131121133133313331323133313221211111333133313231333132222321232231   >>    C11111211113313112113313331333132313331322121111133313331323133313222232123223   <<    C111112111133131121133133313331323133313221211111333133313231333132222321232233   >>      C111112111133131121133133313331323133313221211111333133313231333132222321232232   >>