Fill in the corresponding sign
D ? J
AAA-6-6-6BBB-5-5-5CCC-4-4-4DDD-3-3-3EEE-2-2-2FFF-1-1-1GGG000HHH111III222JJJ333KKK444LLL555MMM666NNN777
Let's look at the number line and locate the letters:
D=−3 D=-3 D=−3
J=3 J=3 J=3
Therefore:
-3 < 3
D < J