C111112111133131121133133313112113313331333133313331333132313331323132212131   >>    C11111211113313112113313331311211331333133313331333133313231333132313221213   <<    C111112111133131121133133313112113313331333133313331333132313331323132212133   >>      C111112111133131121133133313112113313331333133313331333132313331323132212132   >>