C111112111133131121133133313331323133313221131211113313231131211113313223323131   >>    C11111211113313112113313331333132313331322113121111331323113121111331322332313   <<    C111112111133131121133133313331323133313221131211113313231131211113313223323133   >>      C111112111133131121133133313331323133313221131211113313231131211113313223323132   >>