C222123232321333131133133313331323132313331323132221311233222311   >>    C22212323232133313113313331333132313231333132313222131123322231   <<    C222123232321333131133133313331323132313331323132221311233222313   >>      C222123232321333131133133313331323132313331323132221311233222312   >>