C22212323232133313113313331333132313331323132322221212233221323331   >>    C2221232323213331311331333133313231333132313232222121223322132333   <<    C22212323232133313113313331333132313331323132322221212233221323333   >>      C22212323232133313113313331333132313331323132322221212233221323332   >>