Carl has visited only twenty-two places and only fifteen people
Carl has visited Saint Lucia, Luxembourg, Guyana, Saint Kitts & Nevis, Chile, Switzerland, Bahrain, Cambodia, United States, Fiji, San Mmarino, Sweden, Uzbekistan, Kyrgyzstan, São Tomé & Prícipe, Panama, Suriname, Burkina, Uruguay, Bolivia, Moldova, Comoros and North Korea