 
     if ( 18 <= a <= 30 ) {
       if ( 0 <= b <= 3 ) {
-        ac_activate(a, b);
+          ac_activate(a, b);
       }
     }
 
     if ( a == 0 ) {
-      ac_power_down();
+          ac_power_down();
     }
 
     if ( a == 1 ) {
-      ac_activate(AC_TEMPERATURE, AC_FLOW);
+          ac_activate(AC_TEMPERATURE, AC_FLOW);
     }
 
     if ( a == 2 ) {
       if ( b == 0 | b == 1 ) {
-        ac_change_air_swing(b);
+          ac_change_air_swing(b);
       }
     }
 
     if ( a == 3 ) {
       if ( b == 0 | b == 1 ) {
-        ac_air_clean(b);
+          ac_air_clean(b);
       }
     }
 


    if ( a == 5 ) {
      if ( 18 <= b <= 30 ) {
        ac_activate(b, AC_FLOW);
      }
    }
    o_r = r ;

      AC_MSBITS6 = 12;
    }
  } else {
    if ( air_flow == 0 ) {
      AC_MSBITS6 = 0;
    }  
    if ( air_flow == 1 ) {
      AC_MSBITS6 = 2;
    }
