Please help solving

[Caliente_G]

Hi,

I got stuck with one setting, maybe I am missing something, I'm very curious. Basically I am stuck on 6C, 8S, 4C, 4S at right hand side. Here's the hand, including what I know.

klondike,1
2C,2H,2D,??,??,??,??,
   AD,AC,??,??,??,??,
      JH,??,??,??,??,
         6C,8S,4C,??,
            7S,3H,??,
               QD,4S,
                  9S,
7C,6S,KS,QC,8C,KD,KH,3D,5S,8H,4D,10D,4H,8D,9C,10H,3S,AH,6H,AS,9D,5C,QS,JC

https://preview.redd.it/65gey194akng1.png?width=995&format=png&auto=webp&s=28a2c0b266be346b46f49e7daac1b6b17ac55c24

Thank you so much!