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If you will go to calgary by car on Thursday(July 7) and come back on Sunday(July 10), please contact with me at 989-1739 or qdai@math.ualberta.ca . I have two people can share the cost with you. Thanks. 0 |3 i+ {6 {9 N ~( s " T% S+ }, z& N2 G% U* c# _Dai