1. 51.
    0
    %
    --spoiler--
    osbir
    --spoiler--
    ···
  2. 52.
    0
    0.7*0.7*0.3 + 0.7*0.7*0.7 + 0.7*0.3*0.3 + 0.3*0.7*0.3 + 0.7*0.3*0.7 + 0.3*0.7*0.7 + 0.3*0.3*0.3 panpa
    ···
  3. 53.
    +1
    93,7 ..
    ···