M06 T2;
H2;
G37.1 Z-150;
M06 T3;
H3;
G37.1 P2 Z-200.;
-200.
1. G Function Description
// change to T2
// define the tool length compensation H2
// move Z axis to -150.
// change to T3
// define the tool length compensation H3
// return to reference point 2, move Z to
45
    "