20:2:2 (INTEGRATED)12:1:2 (SELF-CONTAINED) 8:1:2 (SELF-CONTAINED)
12:2:2 (SELF-CONTAINED) 8:1:2 (SELF-CONTAINED)
15:2:1 (INTEGRATED)12:2:2 (SELF-CONTAINED)
8:1:2 (SELF-CONTAINED)