------------------------------------------
{subsActivityBeforeActivity(a1,a1,8), subsActivityBeforeActivity(a3,a3,11), subsActivityBeforeActivity(a18,a18,12)}

{}

{compObjWrittenByActivityBeforeActivity(x8,a22,a22,11)}

{}

{compObjWrittenByActivityBeforeActivity(x6,a18,a10,10), compObjWrittenByActivityBeforeActivity(x8,a18,a22,11), compObjWrittenByActivityBeforeActivity(x8,a18,a3,14), compObjWrittenByActivityBeforeActivity(x18,a18,a18,16)}