C2221333133313331311233132313331333133313331323321111331311211331333223121   >>    C222133313331333131123313231333133313331333132332111133131121133133322312   <<    C2221333133313331311233132313331333133313331323321111331311211331333223123   >>      C2221333133313331311233132313331333133313331323321111331311211331333223122   >>