for (int c0 = 0; c0 <= 64; c0 += 1) {
if (c0 >= 63) {
sync();
} else if (c0 >= 1) {
sync();
} else {
sync();
}
}
for (int c0 = 0; c0 <= 64; c0 += 1) {
if (c0 >= 63) {
sync();
} else if (c0 >= 1) {
sync();
} else {
sync();
}
}