C222123232321333131133133313331323132313331323132221322233122311   >>    C22212323232133313113313331333132313231333132313222132223312231   <<    C222123232321333131133133313331323132313331323132221322233122313   >>      C222123232321333131133133313331323132313331323132221322233122312   >>