Franz West 

Three Times the Same, 1998

Overall dimensions variable 
Left: 22 1/4 x 16 1/4 inches (56.5 x 41.3 cm) 
Middle: 32 3/4 x 12 1/2 inches (83.2 x 31.8 cm) 
Right: 25 x 16 inches (63.5 x 40.6 cm)