C22212323232133313113313331333132313331323132313331132212332322221   >>    C2221232323213331311331333133313231333132313231333113221233232222   <<    C22212323232133313113313331333132313331323132313331132212332322223   >>      C22212323232133313113313331333132313331323132313331132212332322222   >>