C111123313121111121111331333133313331331121111113313331333133313331333112232321   >>    C11112331312111112111133133313331333133112111111331333133313331333133311223232   <<    C111123313121111121111331333133313331331121111113313331333133313331333112232323   >>      C111123313121111121111331333133313331331121111113313331333133313331333112232322   >>