+
!
123 4 | 5 | 6 7 |
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d | cb | a | 9 | 8 |
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ 2
2
!
+
+
+
+
+
+
+
+
!
123 4 | 5 | 6 7 |
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d | cb | a | 9 | 8 |
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ 2
2
!
+
+
+
+
+
+
+