20 classes att:def minimum ranges (255 no initiate attack)
             inf tnk rcn atg art  aa  ad for ftr tac sac ss  dd  bb  cv  gtr atr ntr dep fac, HQ
ocean,        10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10
clear,        10, 10, 10, 10, 15, 10, 10, 10, 10, 10, 10,  0, 10, 10, 10, 10, 10,  5, 10, 10, 10
river,        10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 15, 15, 10, 10, 10, 10, 10, 10, 10, 10
mountain,     10,  5,  7, 10, 10,  7,  7, 10,  6,  6, 10,  0, 10, 10, 10,  7,  6,  5, 10, 10, 10
swamp,        10,  2,  3, 10,  5, 10, 10,  5,  5,  5,  5,  0, 10, 10, 10,  3,  5,  5, 10, 10, 10 
city,         10,  5,  6,  7,  6,  7,  7,  6,  5,  5, 10,  0,  6,  8,  8,  6,  5,  5, 10, 10, 10
air field,    10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,  0, 10, 10, 10, 10, 10, 10, 10, 10, 10
rough,        10,  6,  7,  7,  8,  7,  7,  7,  5,  5, 10,  0, 10, 10, 10,  7,  5,  5, 10, 10, 10
forest,       10,  5,  6,  7, 10,  7,  7,  8,  5,  5, 10,  0,  5, 10,  5,  6,  5,  5, 10, 10, 10
forts,        10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,  0, 10, 10, 10, 10, 10, 10, 10, 10, 10
bocage,       10,  5,  6,  7,  9,  7,  7,  7,  5,  5,  8,  0,  8,  8,  8,  6,  5,  5, 10, 10, 10
fort/river,   10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 15, 10, 10, 10, 10, 10, 10, 10, 10, 10
bocage/river, 10,  6,  7,  8, 10,  8,  8,  8,  8,  8,  8, 15, 10, 10, 10, 10, 10, 10, 10, 10, 10
sand,         10, 10, 10, 10, 12, 10, 10, 10, 15, 15, 15,  0, 10, 10, 10, 10, 15, 10, 10, 10, 10
port,         10,  5,  6,  7,  6,  7,  7,  6,  5,  5, 10, 15, 15, 15, 10,  6, 10,  5, 10, 10, 10
escarpment,   10, 10, 10, 10,  6, 10, 10, 10, 10, 10, 10,  0, 10, 10, 10, 10, 10, 10, 10, 10, 10
rough desert, 10, 10, 10,  8,  8,  8,  8,  7, 10, 10, 10,  0, 10, 10, 10, 10, 10,  5, 10, 10, 10
jungle,       10,  3,  4,  7, 10,  7,  7,  8,  5,  5, 10,  0,  5,  8,  5,  4, 10,  5, 10, 10, 10
perma frost,  10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,  0, 10, 10, 10, 10, 10, 10, 10, 10, 10