- Stage 1B AP/a SCR b1S21
- Stage 1B AP/n SCR b2S21
- Stage 1B AP/m SCR b3S21
- Stage 1B AP/b SCR b4S21
- Stage 1B AP/c SCR b5S21
- Stage 1B AP/d SCR b6S21
- Stage 1B AP/e SCR b7S21
- Stage 1B AP/f SCR b8S21
- Stage 1B AP/g SCR b9S21
- Stage 1B AP/h SCR b10S21
- Stage 1B AP/i SCR b11S21
- Stage 1B AP/j SCR b12S21
- Stage 1B AP/k SCR b13S21
- Stage 1B AP/l SCR b14S21