C2122121212121133131323331313132322331323132112312323132322233231   >>    C212212121212113313132333131313232233132313211231232313232223323   <<    C2122121212121133131323331313132322331323132112312323132322233233   >>      C2122121212121133131323331313132322331323132112312323132322233232   >>