Metal Gear Solid: Peace Walker US [ULUS-10509]

[Hordward]

Anyone know how this code is used, I put the numbers where it tells me and I follow the steps but it doesn't work.
EXAMPLE
Four-star, five-star chef and pharmacist. But it does not work.
_C0 Skill Change
_L 0x2085B1A4 0x0E20C7F7
_L 0xD0000000 0x10001080
_L 0x2085B1A4 0x0E200430
_L 0x200010C0 0x3C010013
_L 0x200010C4 0x34211211
_L 0x200010C8 0x0A20C7F7
_L 0x200010CC 0xAC810098

Metal Gear Solid: Peace Walker US [ULUS-10509]
_C0 Skill Change
_L 0x2085B1A4 0x0E20C7F7
_L 0xD0000000 0x10001080
_L 0x2085B1A4 0x0E200430
_L 0x200010C0 0x3C01x4x3
_L 0x200010C4 0x3421x2x1
_L 0x200010C8 0x0A20C7F7
_L 0x200010CC 0xAC810098
※ `s face in the details of the soldiers and then press and hold the ← △.
x1: Skills 1 x2: Skills 2 x3: Skills 3 x4: Skills 4
00 No
01 Sidekick
02 Radio Technology
03 SWAT
04 Rescue
05 Decoy
06 Engineering
08 Channeler
09 Voice Actor
0C Green Beret
0E Pro Wrestling Maniac
10 Three-Star Chef
11 Four-Star Chef
12 Five-Star Chef
13 Pharmacist
14 Expert Pharmacist
16 Counseior
18 Physician
19 Surgeon
1B Gunsmith (Handguns)
1C Gunsmith (Shotguns)
1D Gunsmith (Assault Rifles)
1E Gunsmith (Machine Guns)
1F Gunsmith (Sniper Rifles)
27 Gung Ho
2A Optical Technology
2C AI Development Technology
2D Bird Wathcer
30 Gunsmith (Submachine Guns)
31 Patriot
32 Japanese Patriot
33 Anti-tank Rifle Design
34 M134 Design
35 EM Weapons Design
36 Metamaterials Technology