C222123232321333131133133313331323132313331323132221311313231321   >>    C22212323232133313113313331333132313231333132313222131131323132   <<    C222123232321333131133133313331323132313331323132221311313231323   >>      C222123232321333131133133313331323132313331323132221311313231322   >>