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b2.setText("");
b5.setEnabled(true);
b2.setEnabled(false);
b5.setIcon(b2.getIcon());
b2.setIcon(null);
}
if(b1.getIcon() == (null)) {
b1.setText(b2.getText());
b2.setText("");
b1.setEnabled(true);
b2.setEnabled(false);
b1.setIcon(b2.getIcon());
b2.setIcon(null);
}
}
if(e.getSource()==b3){
if(b2.getIcon() == (null)){
b2.setText(b3.getText());
b3.setText("");
b2.setEnabled(true);
b3.setEnabled(false);
b2.setIcon(b3.getIcon());
b3.setIcon(null);
}
if(b6.getIcon() == (null)){
b6.setText(b3.getText());
b3.setText("");
b6.setEnabled(true);
b3.setEnabled(false);
b6.setIcon(b3.getIcon());
b3.setIcon(null);
}
}
if(e.getSource()==b4){
if(b1.getIcon() == (null)){
b1.setText(b4.getText());
b4.setText("");
b1.setEnabled(true);
b4.setEnabled(false);
b1.setIcon(b4.getIcon());
b4.setIcon(null);
}
if(b5.getIcon() == (null)){
b5.setText(b4.getText());
b4.setText("");
b5.setEnabled(true);
b4.setEnabled(false);
b5.setIcon(b4.getIcon());
b4.setIcon(null);
}
if(b7.getIcon() == (null)) {
b7.setText(b4.getText());
b4.setText("");
b7.setEnabled(true);
b4.setEnabled(false);
b7.setIcon(b4.getIcon());
b4.setIcon(null);
}
}
if(e.getSource()==b5){

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