class Ideone {
static void main(String[] args) {
def a = [9, 4, 5, 8, 9, 7, 4, 2, 3] ;
def temp=0;
for(int i =0; i <a.size(); i=i+3)
{
for(int k=0; k<2;k++)
{
for(int j=i;j<i+2;j++)
{
// print a
if(a[j]>a[j+1])
{
temp=a[j];
a[j]=a[j+1];
a[j+1]=temp;
}
}
}
}
print a
}
}
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