C22212323232133313113313331333132313331323132313331132213122331222311   >>    C2221232323213331311331333133313231333132313231333113221312233122231   <<    C22212323232133313113313331333132313331323132313331132213122331222313   >>      C22212323232133313113313331333132313331323132313331132213122331222312   >>