C2221333133313331311233132313331333133313232123313331323221213232321   >>    C222133313331333131123313231333133313331323212331333132322121323232   <<    C2221333133313331311233132313331333133313232123313331323221213232323   >>      C2221333133313331311233132313331333133313232123313331323221213232322   >>