LS = Second class non self-generating [Overcrowding capacity 145]
LS2 = Second class non self-generating [Overcrowding capacity 200]
LS3 = Second class non self-generating [Overcrowding capacity 225]
LS4 = Second class non self-generating [Overcrowding capacity 260]
LS5...
more... = Second class non self-generating [Overcrowding capacity 300]