C111123313121111121111331333133313331333112221211111211111211113313331322122221   >>    C11112331312111112111133133313331333133311222121111121111121111331333132212222   <<    C111123313121111121111331333133313331333112221211111211111211113313331322122223   >>      C111123313121111121111331333133313331333112221211111211111211113313331322122222   >>