Use of uninitialized value in print at final.pl line 71, <DATA> line 7.
, ,3:   M143<-M10<-Q = P,
Use of uninitialized value in print at final.pl line 71, <DATA> line 7.
, ,0:   M420<-M143<-M10<-Q = P,
Use of uninitialized value in print at final.pl line 71, <DATA> line 7.
, L,:   M407<-M143<-M10<-Q = P,
Use of uninitialized value in print at final.pl line 71, <DATA> line 7.
, 0:    M10<-Q = P,
Use of uninitialized value in print at final.pl line 71, <DATA> line 7.
, ,1:   M421<-M143<-M10<-Q = P,
Use of uninitialized value in print at final.pl line 71, <DATA> line 7.
, L,:   M406<-M143<-M10<-Q = P,