picture.gridLine(gridLeft, 0, centerx - 3, 0);
picture.gridLine(gridLeft, 0, gridLeft, picture.gridHeight() - 1);
picture.gridLine(centerx - 3, 0, centerx - 3, picture.gridHeight() - 1);
picture.setColor(color_dot);
picture.gridLine(gridLeft, picture.gridHeight() - 1, centerx - 3, picture.gridHeight() - 1);
picture.gridPrint(gridLeft, picture.gridHeight() - 1, 8, "", "INCOMING CONNECTIONS", -1);
picture.setColor(color_grid);
picture.gridLine(centerx + 3, 0, gridRight, 0);
picture.gridLine(centerx + 3, 0, centerx + 3, picture.gridHeight() - 1);
picture.gridLine(gridRight, 0, gridRight, picture.gridHeight() - 1);