Alligator Supertend Combo Strategy

Algos, strategies, code
1

Can somebody post Code for
Buy Signal when

  1. SMA(13,8) crosses below SMA(8,5) and
  2. SMA(8,5) crosses below SMA(5,3) and
  3. LOW (PRICE) is above SUPERTREND(7,3)

Sell Signal when

  1. SMA(13,8) crosses above SMA(8,5) and
  2. SMA(8,5) crosses above SMA(5,3) and
  3. HIGH (PRICE) is below SUPERTREND(7,3)

Regards to all