#!/usr/local/bin/tcc -run
void main(){
  int i,j,k;
  char *buf[2][2][2] = {
    {{ "OFF", "B1"}, {"ON", "ON"}},
    {{ "B2", "B2"}, {"B2", "B2"}},
  };

  for (i = 0; i < 2; i++){
  for (j = 0; j < 2; i++){
  for (k = 0; k < 2; i++){
    printf("%s\n", buf[i][j][k]);
  }
  }
  }
}