C222123232321333131133133313331323133313231333133323311322222112312221   >>    C22212323232133313113313331333132313331323133313332331132222211231222   <<    C222123232321333131133133313331323133313231333133323311322222112312223   >>      C222123232321333131133133313331323133313231333133323311322222112312222   >>