cell_rows = 3
cell_clms = 2

dot_diameterMm = 1.6
dot_spacingMm  = 2.5
char_spacingMm = 6.0
line_spacingMm = 10.0

//                                            _____
//      Braille character codes              |1 | 4|
//                                           |2 | 5|
//   -------------------------------         |3 | 6|

//             cell 1          cell2           cell3           cell4           cell5             
//   char    1 2 3 4 5 6     1 2 3 4 5 6     1 2 3 4 5 6     1 2 3 4 5 6     1 2 3 4 5 6     remark           
//   --------------------------------------------------------------------------------------------------------         
a0  = a      1 0 0 0 0 0
a1  = b      1 1 0 0 0 0
a2  = c      1 0 0 1 0 0
a3  = d      1 0 0 1 1 0
a4  = e      1 0 0 0 1 0
a5  = f      1 1 0 1 0 0
a6  = g      1 1 0 1 1 0
a7  = h      1 1 0 0 1 0
a8  = i      0 1 0 1 0 0
a9  = j      0 1 0 1 1 0
a10 = k      1 0 1 0 0 0
a11 = l      1 1 1 0 0 0
a12 = m      1 0 1 1 0 0
a13 = n      1 0 1 1 1 0
a14 = o      1 0 1 0 1 0
a15 = p      1 1 1 1 0 0
a16 = q      1 1 1 1 1 0
a17 = r      1 1 1 0 1 0
a18 = s      0 1 1 1 0 0
a19 = t      0 1 1 1 1 0
a20 = u      1 0 1 0 0 1
a21 = v      1 1 1 0 0 1
a22 = w      0 1 0 1 1 1
a23 = x      1 0 1 1 0 1
a24 = y      1 0 1 1 1 1
a25 = z      1 0 1 0 1 1

a26 = #      0 0 1 1 1 1                                                                // number sign preceeding a number character
a27 = -      0 0 1 0 0 1
a28 = %      0 1 0 0 1 0     1 1 1 1 0 0                                                // multi-cell character
a29 = /      0 0 0 1 1 1     0 0 1 1 0 0                                                // multi-cell character

// ----- the following number symbols will be deduced via [#][a-j]+
// a.. = 1      1 0 0 0 0 0  
// a.. = 2      1 1 0 0 0 0
// a.. = 3      1 0 0 1 0 0
// a.. = 4      1 0 0 1 1 0
// a.. = 5      1 0 0 0 1 0
// a.. = 6      1 1 0 1 0 0
// a.. = 7      1 1 0 1 1 0
// a.. = 8      1 1 0 0 1 0
// a.. = 9      0 1 0 1 0 0
// a.. = 0      0 1 0 1 1 0
