if (msg.size() >= 9 && msg[0] == 'G' && msg[1] == '0' && msg[2] == '1') {
// G01: Game clock, period number, and number of time-outs.
if (msg.size() >= 9 && msg[0] == 'G' && msg[1] == '0' && msg[2] == '1') {
// G01: Game clock, period number, and number of time-outs.