Possible high temperature superconducting transitions in disordered graphite obtained from room temperature deintercalated KC<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si7.svg" display="inline" id="d1e802"><mml:msub><mml:mrow/><mml:mrow><mml:mn>8</mml:mn></mml:mrow></mml:msub></mml:math>