revert S0~S3 alteration for ALU

ALU_parallel_8b/ALU_parallel_8b.bdf

@@ -35,6 +35,7 @@ applicable agreement for further details.
 		(line (pt 117 12)(pt 121 8)(line_width 1))
 	)
 	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
+	(annotation_block (location)(rect 56 112 104 128))
 )
 (pin
 	(input)
@@ -51,6 +52,7 @@ applicable agreement for further details.
 		(line (pt 117 12)(pt 121 8)(line_width 1))
 	)
 	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
+	(annotation_block (location)(rect 56 128 104 144))
 )
 (pin
 	(input)
@@ -67,6 +69,7 @@ applicable agreement for further details.
 		(line (pt 117 12)(pt 121 8)(line_width 1))
 	)
 	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
+	(annotation_block (location)(rect 56 144 104 160))
 )
 (pin
 	(input)
@@ -83,6 +86,7 @@ applicable agreement for further details.
 		(line (pt 117 12)(pt 121 8)(line_width 1))
 	)
 	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
+	(annotation_block (location)(rect 56 160 104 176))
 )
 (pin
 	(input)
@@ -99,6 +103,7 @@ applicable agreement for further details.
 		(line (pt 117 12)(pt 121 8)(line_width 1))
 	)
 	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
+	(annotation_block (location)(rect 56 176 104 192))
 )
 (pin
 	(input)
@@ -115,6 +120,7 @@ applicable agreement for further details.
 		(line (pt 117 12)(pt 121 8)(line_width 1))
 	)
 	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
+	(annotation_block (location)(rect 56 192 104 208))
 )
 (pin
 	(input)
@@ -131,6 +137,7 @@ applicable agreement for further details.
 		(line (pt 117 12)(pt 121 8)(line_width 1))
 	)
 	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
+	(annotation_block (location)(rect 56 208 104 224))
 )
 (pin
 	(input)
@@ -147,6 +154,7 @@ applicable agreement for further details.
 		(line (pt 117 12)(pt 121 8)(line_width 1))
 	)
 	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
+	(annotation_block (location)(rect 56 224 104 240))
 )
 (pin
 	(input)
@@ -163,6 +171,7 @@ applicable agreement for further details.
 		(line (pt 117 12)(pt 121 8)(line_width 1))
 	)
 	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
+	(annotation_block (location)(rect 56 416 104 432))
 )
 (pin
 	(input)
@@ -179,6 +188,7 @@ applicable agreement for further details.
 		(line (pt 117 12)(pt 121 8)(line_width 1))
 	)
 	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
+	(annotation_block (location)(rect 56 432 104 448))
 )
 (pin
 	(input)
@@ -195,6 +205,7 @@ applicable agreement for further details.
 		(line (pt 117 12)(pt 121 8)(line_width 1))
 	)
 	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
+	(annotation_block (location)(rect 56 448 104 464))
 )
 (pin
 	(input)
@@ -211,6 +222,7 @@ applicable agreement for further details.
 		(line (pt 117 12)(pt 121 8)(line_width 1))
 	)
 	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
+	(annotation_block (location)(rect 56 464 104 480))
 )
 (pin
 	(input)
@@ -227,6 +239,7 @@ applicable agreement for further details.
 		(line (pt 117 12)(pt 121 8)(line_width 1))
 	)
 	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
+	(annotation_block (location)(rect 56 480 104 496))
 )
 (pin
 	(input)
@@ -243,6 +256,7 @@ applicable agreement for further details.
 		(line (pt 117 12)(pt 121 8)(line_width 1))
 	)
 	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
+	(annotation_block (location)(rect 56 496 104 512))
 )
 (pin
 	(input)
@@ -259,6 +273,7 @@ applicable agreement for further details.
 		(line (pt 117 12)(pt 121 8)(line_width 1))
 	)
 	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
+	(annotation_block (location)(rect 56 512 104 528))
 )
 (pin
 	(input)
@@ -275,6 +290,7 @@ applicable agreement for further details.
 		(line (pt 117 12)(pt 121 8)(line_width 1))
 	)
 	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
+	(annotation_block (location)(rect 56 528 104 544))
 )
 (pin
 	(input)
@@ -291,6 +307,7 @@ applicable agreement for further details.
 		(line (pt 117 12)(pt 121 8)(line_width 1))
 	)
 	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
+	(annotation_block (location)(rect 48 256 104 272))
 )
 (pin
 	(input)
@@ -307,10 +324,11 @@ applicable agreement for further details.
 		(line (pt 117 12)(pt 121 8)(line_width 1))
 	)
 	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
+	(annotation_block (location)(rect 48 240 104 256))
 )
 (pin
 	(input)
-	(rect 104 256 272 272)
+	(rect 104 304 272 320)
 	(text "INPUT" (rect 133 0 161 10)(font "Arial" (font_size 6)))
 	(text "S3" (rect 5 0 17 12)(font "Arial" ))
 	(pt 168 8)
@@ -323,10 +341,11 @@ applicable agreement for further details.
 		(line (pt 117 12)(pt 121 8)(line_width 1))
 	)
 	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
+	(annotation_block (location)(rect 56 320 104 336))
 )
 (pin
 	(input)
-	(rect 104 272 272 288)
+	(rect 104 288 272 304)
 	(text "INPUT" (rect 133 0 161 10)(font "Arial" (font_size 6)))
 	(text "S2" (rect 5 0 17 12)(font "Arial" ))
 	(pt 168 8)
@@ -339,10 +358,11 @@ applicable agreement for further details.
 		(line (pt 117 12)(pt 121 8)(line_width 1))
 	)
 	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
+	(annotation_block (location)(rect 56 304 104 320))
 )
 (pin
 	(input)
-	(rect 104 288 272 304)
+	(rect 104 272 272 288)
 	(text "INPUT" (rect 133 0 161 10)(font "Arial" (font_size 6)))
 	(text "S1" (rect 5 0 17 12)(font "Arial" ))
 	(pt 168 8)
@@ -355,10 +375,11 @@ applicable agreement for further details.
 		(line (pt 117 12)(pt 121 8)(line_width 1))
 	)
 	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
+	(annotation_block (location)(rect 56 288 104 304))
 )
 (pin
 	(input)
-	(rect 104 304 272 320)
+	(rect 104 256 272 272)
 	(text "INPUT" (rect 133 0 161 10)(font "Arial" (font_size 6)))
 	(text "S0" (rect 5 0 17 12)(font "Arial" ))
 	(pt 168 8)
@@ -371,6 +392,7 @@ applicable agreement for further details.
 		(line (pt 117 12)(pt 121 8)(line_width 1))
 	)
 	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
+	(annotation_block (location)(rect 56 272 104 288))
 )
 (pin
 	(output)
@@ -387,6 +409,7 @@ applicable agreement for further details.
 		(line (pt 82 8)(pt 78 12)(line_width 1))
 		(line (pt 78 12)(pt 82 8)(line_width 1))
 	)
+	(annotation_block (location)(rect 944 192 1000 208))
 )
 (pin
 	(output)
@@ -403,6 +426,7 @@ applicable agreement for further details.
 		(line (pt 82 8)(pt 78 12)(line_width 1))
 		(line (pt 78 12)(pt 82 8)(line_width 1))
 	)
+	(annotation_block (location)(rect 944 208 1000 224))
 )
 (pin
 	(output)
@@ -419,6 +443,7 @@ applicable agreement for further details.
 		(line (pt 82 8)(pt 78 12)(line_width 1))
 		(line (pt 78 12)(pt 82 8)(line_width 1))
 	)
+	(annotation_block (location)(rect 944 224 1000 240))
 )
 (pin
 	(output)
@@ -435,6 +460,7 @@ applicable agreement for further details.
 		(line (pt 82 8)(pt 78 12)(line_width 1))
 		(line (pt 78 12)(pt 82 8)(line_width 1))
 	)
+	(annotation_block (location)(rect 944 240 1000 256))
 )
 (pin
 	(output)
@@ -451,6 +477,7 @@ applicable agreement for further details.
 		(line (pt 82 8)(pt 78 12)(line_width 1))
 		(line (pt 78 12)(pt 82 8)(line_width 1))
 	)
+	(annotation_block (location)(rect 944 496 1000 512))
 )
 (pin
 	(output)
@@ -467,6 +494,7 @@ applicable agreement for further details.
 		(line (pt 82 8)(pt 78 12)(line_width 1))
 		(line (pt 78 12)(pt 82 8)(line_width 1))
 	)
+	(annotation_block (location)(rect 944 512 1000 528))
 )
 (pin
 	(output)
@@ -483,6 +511,7 @@ applicable agreement for further details.
 		(line (pt 82 8)(pt 78 12)(line_width 1))
 		(line (pt 78 12)(pt 82 8)(line_width 1))
 	)
+	(annotation_block (location)(rect 944 528 1000 544))
 )
 (pin
 	(output)
@@ -499,6 +528,7 @@ applicable agreement for further details.
 		(line (pt 82 8)(pt 78 12)(line_width 1))
 		(line (pt 78 12)(pt 82 8)(line_width 1))
 	)
+	(annotation_block (location)(rect 944 544 1000 560))
 )
 (pin
 	(output)
@@ -515,6 +545,7 @@ applicable agreement for further details.
 		(line (pt 82 8)(pt 78 12)(line_width 1))
 		(line (pt 78 12)(pt 82 8)(line_width 1))
 	)
+	(annotation_block (location)(rect 944 272 1000 288))
 )
 (symbol
 	(rect 408 80 528 336)
@@ -1138,38 +1169,6 @@ applicable agreement for further details.
 	(pt 768 536)
 	(pt 528 536)
 )
-(connector
-	(pt 272 312)
-	(pt 312 312)
-)
-(connector
-	(pt 312 312)
-	(pt 408 312)
-)
-(connector
-	(pt 272 296)
-	(pt 328 296)
-)
-(connector
-	(pt 328 296)
-	(pt 408 296)
-)
-(connector
-	(pt 272 280)
-	(pt 344 280)
-)
-(connector
-	(pt 344 280)
-	(pt 408 280)
-)
-(connector
-	(pt 272 264)
-	(pt 360 264)
-)
-(connector
-	(pt 360 264)
-	(pt 408 264)
-)
 (connector
 	(pt 272 248)
 	(pt 376 248)
@@ -1282,9 +1281,41 @@ applicable agreement for further details.
 	(pt 728 416)
 	(pt 744 416)
 )
-(junction (pt 312 312))
+(connector
-(junction (pt 328 296))
+	(pt 272 264)
-(junction (pt 344 280))
+	(pt 360 264)
-(junction (pt 360 264))
+)
+(connector
+	(pt 360 264)
+	(pt 408 264)
+)
+(connector
+	(pt 272 280)
+	(pt 344 280)
+)
+(connector
+	(pt 344 280)
+	(pt 408 280)
+)
+(connector
+	(pt 272 296)
+	(pt 328 296)
+)
+(connector
+	(pt 328 296)
+	(pt 408 296)
+)
+(connector
+	(pt 272 312)
+	(pt 312 312)
+)
+(connector
+	(pt 312 312)
+	(pt 408 312)
+)
 (junction (pt 376 248))
 (junction (pt 392 232))
+(junction (pt 360 264))
+(junction (pt 344 280))
+(junction (pt 328 296))
+(junction (pt 312 312))