C222123232321333131133133313331323132313331322121323123132211231   >>    C22212323232133313113313331333132313231333132212132312313221123   <<    C222123232321333131133133313331323132313331322121323123132211233   >>      C222123232321333131133133313331323132313331322121323123132211232   >>