C2221333133313331311233132313331333133313232123313331323133313121133121   >>    C222133313331333131123313231333133313331323212331333132313331312113312   <<    C2221333133313331311233132313331333133313232123313331323133313121133123   >>      C2221333133313331311233132313331333133313232123313331323133313121133122   >>