verified 1st mapper

$ hadoop fs -cat matrix-mult/output11/part-r-00000
1       1,1,1.0,B,combiner,reducer
1       1,2,2.0,B,combiner,reducer
1       1,3,3.0,B,combiner,reducer
1       1,1,1.0,A,combiner,reducer
1       2,1,4.0,A,combiner,reducer
1       3,1,7.0,A,combiner,reducer
2       1,2,2.0,A,combiner,reducer
2       2,2,5.0,A,combiner,reducer
2       3,2,8.0,A,combiner,reducer
2       2,1,4.0,B,combiner,reducer
2       2,2,5.0,B,combiner,reducer
2       2,3,6.0,B,combiner,reducer
3       3,1,7.0,B,combiner,reducer
3       3,2,8.0,B,combiner,reducer
3       3,3,9.0,B,combiner,reducer
3       1,3,3.0,A,combiner,reducer
3       2,3,6.0,A,combiner,reducer
3       3,3,9.0,A,combiner,reducer
add debug info for loop A and loop B
more debugging, tried using second iterable, but doesnt work
using 1 input file instead
realized combiner class is wrong
removed alot of debug stuff
wow finally working