C111123313121111121111331333133313331323221211113313331121311231   >>    C11112331312111112111133133313331333132322121111331333112131123   <<    C111123313121111121111331333133313331323221211113313331121311233   >>      C111123313121111121111331333133313331323221211113313331121311232   >>