6
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This is some MUMPS i wrote for fun. I guess if you can analyze this, your tool works:
Q N R,Q,C,D,E,W,B,G,H,S,T,U,V,F,L,P,N,J,A S N=$G(N),Q='N,F=Q+Q,P=F+F,W=$L($T(Q))
S W=$E(W,Q),S='N_+N,W=W-F*S,L=$G(L),R=$C(Q_F_P),R(F)=$C(F+Q_F),R(P)=$C(W-F) W #
S T=$E($T(Q+F),F,W\S)_$C(W+S+F) X T S B=$P(T,$C...