the flux though each face should be q/24enot cuz on completing the figure to get a guassian surface we get a large cube made of 8 cubes. the flux thro' the sides containing the charge is zero. the large cube has 6 faces..each made of 4 sides of the smaller cubes..therefore flux thro each small side is eaual to q/(4*6*enot)=q/24enot.