class Exercises {
public static void main
(String[] args
){
for (int i = 1; i <= 4; i++){
for (int j = 1; j <= 12; j++){
}
}
for (int i = 1; i <=15; i++){
}
for (int i = 1; i <= 15; i++){
}
for (int i = 1; i <= 4; i++){
for (int j = 1; j <= 12; j++){
}
}
}
}
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