Find the resistance of the wire frame shaped as a cube when measured between the points 1 and 7. The resistance of each edge is R

Question

$\begin {array} {1 1} (A)\;\large\frac{R}{7} & \quad (B)\;\large\frac{6R}{7} \\ (C)\;\large\frac{5R}{6} & \quad (D)\;\large\frac{4R}{3} \end {array}$