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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. . [# ], u& e; O; ~3 k. \% H2 X , }7 `, |! X' q% A$ _Dai