NP4OLR5TMCWGT3OI47XFC2RM4OUWTF37V2SO2UF37G7VOSS6QOWAC
KQS7DSKJHTEHALCPTXMWRX2IBOVC5BWU7RWJ4GP5A2JJSBR7HPKAC
OOQ2D3KCLFPYNAN253PHWLBQMB6OMO2KYQWQXLTP65SQAYZWQ5LAC
return undef;
return ();