0² = 0
1² = 1
10² = 100
100² = 10000
1000² = 1000000
10000² = 100000000
100000² = 10000000000
1000000² = 1000000000000
10000000² = 100000000000000
100000000² = 10000000000000000
1000000000² = 1000000000000000000
10000000000² = 100000000000000000000
100000000000² = 10000000000000000000000
1000000000000² = 1000000000000000000000000
10000000000000² = 100000000000000000000000000
100000000000000² = 10000000000000000000000000000