C222123232321333131133133313331323132313331323132221311312132311   >>    C22212323232133313113313331333132313231333132313222131131213231   <<    C222123232321333131133133313331323132313331323132221311312132313   >>      C222123232321333131133133313331323132313331323132221311312132312   >>