C21221212121211331322132313132313331313232233132323132313231133231   >>    C2122121212121133132213231313231333131323223313232313231323113323   <<    C21221212121211331322132313132313331313232233132323132313231133233   >>      C21221212121211331322132313132313331313232233132323132313231133232   >>