C222123232321333131133133313331323132313331322121323123121311311   >>    C22212323232133313113313331333132313231333132212132312312131131   <<    C222123232321333131133133313331323132313331322121323123121311313   >>      C222123232321333131133133313331323132313331322121323123121311312   >>