C22212323232133313113313331333132313331323132313331132212333131221   >>    C2221232323213331311331333133313231333132313231333113221233313122   <<    C22212323232133313113313331333132313331323132313331132212333131223   >>      C22212323232133313113313331333132313331323132313331132212333131222   >>