C111123313121111121111331333133313331333133313331333133313331333132311122321   >>    C11112331312111112111133133313331333133313331333133313331333133313231112232   <<    C111123313121111121111331333133313331333133313331333133313331333132311122323   >>      C111123313121111121111331333133313331333133313331333133313331333132311122322   >>