C111123313121111121111331333133313331323231333133313331313121111331322211   >>    C11112331312111112111133133313331333132323133313331333131312111133132221   <<    C111123313121111121111331333133313331323231333133313331313121111331322213   >>      C111123313121111121111331333133313331323231333133313331313121111331322212   >>