C2221333133313331311233132313331333133313331311233131211111333133313332212321   >>    C222133313331333131123313231333133313331333131123313121111133313331333221232   <<    C2221333133313331311233132313331333133313331311233131211111333133313332212323   >>      C2221333133313331311233132313331333133313331311233131211111333133313332212322   >>