#lr3

What does "lr3" mean?
la_rs_365

lr3-08 1353 lr3-w 31 lr3-00 364 lr3-1 123 lr3-3 74 lr3-5 362 lr3-2 56 lr3-0 146 lr3-65 109 lr3-13 81 lr3-11 38 lr3-04 71 lr3-realtor 118 lr3-030 62 lr3-846 33 lr3-ma 80 lr3-9 73 lr3-mn 40 lr3-bp 32