C111123313121111121111331333133313331333133311233133313331123231   >>    C11112331312111112111133133313331333133313331123313331333112323   <<    C111123313121111121111331333133313331333133311233133313331123233   >>      C111123313121111121111331333133313331333133311233133313331123232   >>