C21221212121323223313131323132322331323132322112211232313232223131   >>    C2122121212132322331313132313232233132313232211221123231323222313   <<    C21221212121323223313131323132322331323132322112211232313232223133   >>      C21221212121323223313131323132322331323132322112211232313232223132   >>