Understanding the Stability of Chair Conformations in Cyclohexane Derivatives

What are the structural formulas for the two chair conformations of cis-1-isopropyl-4-methylcyclohexane?

The structural formulas for the two chair conformations of cis-1-isopropyl-4-methylcyclohexane are as follows:

Chair conformation 1:

   H      H
       \\     /
    C1-C2    /
         \\     /
H----C6  C3----H
         \\     /
   C5-C4   C6-C1
        \\     /
      H  CH(CH3)2

Chair conformation 2:

   H      CH(CH3)2
       \\     /
    C1-C2    /
         \\     /
H----C6  C3----H
         \\     /
   C5-C4   C6-C1
        \\     /