for (int ci = 0; ci < CUBES_PER_CHANNEL; ++ci) {
int cubeNumber = (ci < channel.length) ? channel[ci] : 0;
if (cubeNumber == 0) {
for (int ci = 0; ci < CUBES_PER_CHANNEL; ++ci) {
int cubeNumber = (ci < channel.length) ? channel[ci] : 0;
if (cubeNumber == 0) {