C22212323232133313113313331333132313331323132313331132232113312331   >>    C2221232323213331311331333133313231333132313231333113223211331233   <<    C22212323232133313113313331333132313331323132313331132232113312333   >>      C22212323232133313113313331333132313331323132313331132232113312332   >>