Chamfer Mask:
( 1,  0,  0,   7)
( 1,  1,  0,  10)
( 1,  1,  1,  12)
( 2,  1,  0,  16)
( 2,  1,  1,  17)

Computed Lut Mask:
( 1,  0,  0,   7)
( 1,  1,  0,  10)
( 1,  1,  1,  12)
( 2,  1,  1,  17)
( 2,  1,  0,  16)
( 3,  2,  0,  26)

Look-Up Table: values which differ from LMC (L = 200, R <= 1385)
Lut[][    7 ] =     8    11    13    18    17    27 
Lut[][   10 ] =    15    17    18    25    24    33 
Lut[][   12 ] =    17    21    23    28    27    37 
Lut[][   14 ] =    18    23    25    30    28    38 
Lut[][   16 ] =    22    24    25    32    31    40 
Lut[][   17 ] =                28                   
Lut[][   20 ] =    25    28    30    35    34    44 
Lut[][   21 ] =    27                               
Lut[][   22 ] =          31    33                47 
Lut[][   23 ] =    29                      38    48 
Lut[][   24 ] =          33    35                49 
Lut[][   26 ] =    32    35    37    42    41    50 
Lut[][   27 ] =    33          38                   
Lut[][   28 ] =    34                               
Lut[][   29 ] =          38    40                54 
Lut[][   30 ] =    36                      45    55 
Lut[][   32 ] =          41    43                57 
Lut[][   34 ] =                45                   
Lut[][   36 ] =          45    47                61 
Lut[][   37 ] =    43                               
Lut[][   39 ] =          48    50                64 
Lut[][   40 ] =                                  65 
Lut[][   42 ] =                                  67 
Lut[][   44 ] =    50          55                   
Lut[][   46 ] =          55    57                71 
Lut[][   56 ] =          65    67                81