C222123232321333131133133313331323132313331323132221311222232311   >>    C22212323232133313113313331333132313231333132313222131122223231   <<    C222123232321333131133133313331323132313331323132221311222232313   >>      C222123232321333131133133313331323132313331323132221311222232312   >>