C22212323232133313113313331333132313331323132322221212233231132321   >>    C2221232323213331311331333133313231333132313232222121223323113232   <<    C22212323232133313113313331333132313331323132322221212233231132323   >>      C22212323232133313113313331333132313331323132322221212233231132322   >>