C13132313123113313223313133313231133132333132322231333131323132323231   >>    C1313231312311331322331313331323113313233313232223133313132313232323   <<    C13132313123113313223313133313231133132333132322231333131323132323233   >>      C13132313123113313223313133313231133132333132322231333131323132323232   >>