Kernel "Laplacian" of size 7x7+3+3 with values from -10 to 8
Forming a output range from -1e+02 to 1e+02 (Zero-Summing)
 0:   -10    -5    -2    -1    -2    -5   -10
 1:    -5     0     3     4     3     0    -5
 2:    -2     3     6     7     6     3    -2
 3:    -1     4     7     8     7     4    -1
 4:    -2     3     6     7     6     3    -2
 5:    -5     0     3     4     3     0    -5
 6:   -10    -5    -2    -1    -2    -5   -10