a__fabXa__fmarkXXmarkXa__caa__cbmarkfX1X2X3a__fmarkX1X2markX3markca__cmarkaamarkbba__fX1X2X3fX1X2X3a__cca__fabXmarkXa__fabXa__fmarkXXmarkXmarkfX1X2X3markX3markfX1X2X3markX1markfX1X2X3a__fmarkX1X2markX3markca__ctruemarkfX1X2X3markX3markfX1X2X3markX1markfX1X2X3a__fmarkX1X2markX3a__fabXmarkXa__fabXa__fmarkXXmarkXtruemarkca__cfalse