* In attempt to conserve space all transitions are divided into 4 consecutive
* groups, by 64 transitions per group:
* group64[i] contains transitions[i * 64, .. i * 64 + 63].
* In attempt to conserve space all transitions are divided into 4 consecutive
* groups, by 64 transitions per group:
* group64[i] contains transitions[i * 64, .. i * 64 + 63].