A uniform solid cylinder of density 0.8 g/cc floats in equilibrium in a combination of two non-mixing liquids A and B with its axis vertical. The The densities of liquids A and B are 0.7 g/cc and 1.2 g/cc. The height of liquid A is 1.2 cm. The length of the part of the cylinder immersed in liquid is 0.8 cm. The length of the part of the cylinder in air is
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