xxxxx
xxxxx
plain's area is: 10
sss
sss
sss
square's area is: 9
rrrrrr
rrrrrr
rrrrrr
!!!!!!!!!!!!!!!
18      15
T
TT
TTT
TTTT

TTT
TTTTTT
TTTTTTTTTT
TTTTTTTTTTTTT
TTTTTTTTTTTTTTTTT
Type a key and return to close.b