------------------------------------------
{subsActivityBeforeActivity(a24,a24,8)}

{}

{compObjWrittenByActivityBeforeActivity(x20,a18,a18,11)}

{compObjWrittenByActivityBeforeActivity(x8,a17,a24,9), compObjWrittenByActivityBeforeActivity(x20,a17,a18,11)}

{compObjWrittenByActivityBeforeActivity(x29,a11,a18,14)}