# Strong horizontal blur (Triangle 3.5px)
# range -128..128
# sum of line must not exceed the range!
# horizontal coefficients
  11,   53,   53,   11
   8,   51,   56,   13
   5,   48,   59,   16
   3,   45,   61,   19
   0,   43,   64,   21
   0,   39,   65,   24
   0,   36,   66,   26
   0,   33,   67,   28
   0,   30,   68,   30
   0,   28,   67,   33
   0,   26,   66,   36
   0,   24,   65,   39
   0,   21,   64,   43
   0,   19,   63,   46
   0,   17,   61,   50
   0,   14,   60,   54