Variables: 
chan[1]: "dataless[0][0]" 
chan[2]: "dataless[0][1]" 
chan[3]: "dataless[0][2]" 
chan[4]: "dataless[1][0]" 
chan[5]: "dataless[1][1]" 
chan[6]: "dataless[1][2]" 

Event graph: 
event[0]: fork: null, #pred: 0, succ: 

