(1) REMOVING singles and triples from Level 1(L1) discloses F(ront) and B(ack) pairs are due to win with a DOUBLE.

(2) ISOLATING... DOUBLES and utilizing the COMBINE WINNERS feature.

(3) ISOLATING... FRONT pair to identify connected patterns for removal. Removed 3,1/3,2/3,3

(4) ISOLATING...BACK pair to identify connected patterns for removal. Removed 3,1/3,2/3,3

(5) FBS

(6) FSB

NOTE: The following are HIGH PROBABILITY numbers when a DOUBLE wins with either a FRONT or BACK or FBS or FSB PAIR.The CHALLENGE is TIMING when the next DOUBE will WIN. But few numbers allow for multiple plays with a profit margin.
===============================================
FRONT PAIR (4)
Removed 3,1/3,2/3,3
===============================================
11/1,3
133 (1)
10/1,1
299 (1)
8/1,3
199,599 (2)
===============================================
BACK PAIR (9)
Removed 3,1/3,2/3,3
===============================================
11/1,3
338,447 (2)
10/2,3
006,008 (2)
9/1,2
337,446,448 (3)
8/2,2
005,007 (2)
===============================================
FBS PAIR (6)
===============================================
12/3,3
004 (1)
11/1,3
449 (1)
10/3,2
003 (1)
9/1,2
339 (1)
8/2,2
009 (1)
7/3,2
334 (1)
===============================================
FSB PAIR (6)
===============================================
11/1,3
044 (1)
10/1,1
499 (1)
9/1,2
033 (1)
8/1,3
399 (1)
7/3,2
344 (1)
6/3,3
099 (1)
===============================================
DISCLAIMER
My number posts are ONLY to be used as a guide to conduct your own number search on Lottodds. No one is to play the numbers and do so at their own risk. I take no responsibility for anyone's monetary loss if they play my posted numbers. These are HIGH PROBABILITY plays and may or may have NOT been reduced and can take more than one(1) draw to hit and NOT GUARANTEED WINS on the 1st draw but created to help you learn pattern setups, feature use and strategy creation.