a__fXa__ifmarkXcftruea__iftrueXYmarkXa__iffalseXYmarkYmarkfXa__fmarkXmarkifX1X2X3a__ifmarkX1markX2X3markccmarktruetruemarkfalsefalsea__fXfXa__ifX1X2X3ifX1X2X3a__fXa__ifmarkXcftruea__fXmarkXa__iftrueXYmarkXa__iffalseXYmarkYmarkfXa__fmarkXmarkfXmarkXmarkifX1X2X3a__ifmarkX1markX2X3markifX1X2X3markX1markifX1X2X3markX2true1a__f111a__if3111213mark111c00f111true00mark111false01if3111213a__if3111213a__f111a__fXa__ifmarkXcftruea__fXmarkXa__iftrueXYmarkXmarkfXa__fmarkXmarkfXmarkXmarkifX1X2X3a__ifmarkX1markX2X3markifX1X2X3markX1markifX1X2X3markX21a__f111a__if312mark111c00f1111true00mark111if3111213a__if3111213a__f1111false01a__fXa__ifmarkXcftruea__fXmarkXa__iftrueXYmarkXmarkifX1X2X3a__ifmarkX1markX2X3markifX1X2X3markX1markifX1X2X3markX2a__fXa__ifmarkXcftruefalse2a__fXmarkXfalse1markifX1X2X3a__ifmarkX1markX2X3a__iftrueXYmarkXmarkifX1X2X3markX1markifX1X2X3markX2true1a__f1221a__if3112223mark121c00f1121true00false01if3112213mark121a__if3112213markifX1X2X3a__ifmarkX1markX2X3a__iftrueXYmarkXmarkifX1X2X3markX1markifX1X2X3markX2a__fXa__ifmarkXcftruea__iftrueXYmarkXmarkfXa__fmarkXmarkifX1X2X3a__ifmarkX1markX2X3markccmarktruetruea__ifX1X2X3ifX1X2X31mark111if31112a__if31112mark111true01a__if31112f1111a__f1111c00markifX1X2X3a__ifmarkX1markX2X3markifX1X2X3markX1markifX1X2X3markX2markifX1X2X3markX2markifX1X2X3markX1true1mark11markifX1X2X3a__ifmarkX1markX2X3false