12,5
2.,2.
4.,2.
4.,4.
2.,4.
3.,3.
0.,0.
2.,0.
4.,0.
6.,0.
6.,2.
6.,4.
6.,6.
4.,6.
2.,6.
0.,6.
0.,4.
0.,2.
1,0.
1,0.
1,0.
0,0.
0,0.
0,0.
1,0.
1,0.
1,0.
0,300.
0,300.
0,300.