C2221333133313331311233132313331333133313231133132313331333132322221211   >>    C222133313331333131123313231333133313331323113313231333133313232222121   <<    C2221333133313331311233132313331333133313231133132313331333132322221213   >>      C2221333133313331311233132313331333133313231133132313331333132322221212   >>