C111123313121111121111331333133313331333131322113121111331322332112311321   >>    C11112331312111112111133133313331333133313132211312111133132233211231132   <<    C111123313121111121111331333133313331333131322113121111331322332112311323   >>      C111123313121111121111331333133313331333131322113121111331322332112311322   >>