adding spaces to space_mod_FPsag

kat_test/physics/space_mod_FPsag.kat

@@ -11,16 +11,16 @@ bs BS 0.5 0.5 0 45 n1 ny1 nx1 nout
 
 s sy 1 ny1 ny2
 
-bs1 ITMy $T_ITM 0 0 0 ny2 ny3 ny4 ny5
+bs1 ITMy $T_ITM 0 0 0 ny2 ny3_1 ny4 ny5
 s syarm1 10k ny4 ny6 			
 bs1 ETMy $T_ETM 0 0 0 ny6 ny7 ny8 dump1
 s syarm2 10k ny7 ny5
-
-bs TM 1 0 0 45 ny3 nx3 dump2 dump3
-
+s s1 0 ny3_1 ny3_2
+bs TM 1 0 0 45 ny3_2 nx3_1 dump2 dump3
+s s2 0 nx3_1 nx3_2
 s sx 1 nx1 nx2
 
-bs1 ITMx $T_ITM 0 0 0 nx2 nx3 nx4 nx5
+bs1 ITMx $T_ITM 0 0 0 nx2 nx3_2 nx4 nx5
 s sxarm1 10k nx4 nx6 			
 bs1 ETMx $T_ETM 0 0 0 nx6 nx7 nx8 dump4
 s sxarm2 10k nx7 nx5