C111123313121111121111331333133313331333133313331333132233133313223313122321   >>    C11112331312111112111133133313331333133313331333133313223313331322331312232   <<    C111123313121111121111331333133313331333133313331333132233133313223313122323   >>      C111123313121111121111331333133313331333133313331333132233133313223313122322   >>