This method is basically a 7 number pick 3 wheel. We'll eliminate 3 of the 10 Pick 3 Lotto numbers and wheel the remaining 7 numbers for 100% BOXED coverage. First let's take a look at the wheel then let's look out how we will eliminate 3 of the numbers to select those winning combinations.

Our 7 numbers:

A= _______

B= _______

C= _______

D= _______

E= _______

F= _______

G= _______

The boxed combinations

ABC

ABD

ABE

ABF

ABG

ACD

ACE

ACF

ACG

ADE

ADF

ADG

AEF

AEG

AFG

BCD

BCE

BCF

BCG

BDE

BDF

BDG

BEF

BEG

BFG

CDE

CDF

CDG

CEF

CEG

CFG

DEF

DEG

DFG

EFG