2500 5000 5000 2500 5000 7500
7500 5000 5000 2500 2500 5000
5000 2500 5000 7500 2500 5000
5000 5000   10 9990 9900  100
 100 9900 5000 5000 9990   10
  10 9990 9900  100 5000 5000
5000 5000 2500 5000 7000 5000
5000 5000 5000 2500 5000 7000
7000 5000 5000 5000 2500 5000
5000 5000 2500 5050 7000 5060
7000 5060 5000 5000 2500 5050
2500 5050 7000 5060 5000 5000
 600  700 1300 1400 1400  700
 1400  700 600  700 1300 1400
 1300 1400 1400  700 600  700
   0    0    0    0    0    0