- Fixed size 8x9
[11][12][13][14][15][16][17][18][19]
[21][22][23][24][25][26][27][28][29]
[31][32][33][34][35][36][37][38][39]
[41][42][43][44][45][46][47][48][49]
[51][52][53][54][55][56][57][58][59]
[61][62][63][64][65][66][67][68][69]
[71][72][73][74][75][76][77][78][79]
[81][82][83][84][85][86][87][88][89]
- Each cell is represented by two digits: [row][column].
- The first digit indicates the row number.
- The second digit indicates the column number.