0x603008
+ 0x1820 (0x1810)

malloc(0x1810) = 0x603010

0x603008
+ 0x1820 (0x1810)
0x604828
+ 0x90 (0x80)

malloc(0x80) = 0x604830

0x603008
+ 0x1820 (0x1810)
0x604828
+ 0x90 (0x80)
0x6048b8
+ 0x90 (0x80)

malloc(0x80) = 0x6048c0

0x603008
+ 0x1820 (0x1810)
0x604828
+ 0x90 (0x80)
0x6048b8
+ 0x90 (0x80)
0x604948
+ 0x90 (0x80)

malloc(0x80) = 0x604950

0x603008
+ 0x1820 (0x1810)
0x604828
+ 0x90 (0x80)
0x6048b8
+ 0x90 (0x80)
0x604948
+ 0x90 (0x80)
0x6049d8
+ 0x90 (0x80)

malloc(0x80) = 0x6049e0

0x603008
+ 0x1820 (0x1810)
0x604828
+ 0x90
0x6048b8
+ 0x90 (0x80)
0x604948
+ 0x90 (0x80)
0x6049d8
+ 0x90 (0x80)

free(0x604830) = 0x0

0x603008
+ 0x1820 (0x1810)
0x604828
+ 0x90
0x6048b8
+ 0x90 (0x80)
0x604948
+ 0x90
0x6049d8
+ 0x90 (0x80)

free(0x604950) = 0x0

0x603008
+ 0x1820 (0x1810)
0x604828
+ 0x90 (0x80)
0x6048b8
+ 0x90 (0x80)
0x604948
+ 0x90
0x6049d8
+ 0x90 (0x80)

malloc(0x80) = 0x604830