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tighten =
1. i‚µ‚²‚Æ‚ðj‚â‚é
2. •Â‚ß‚é ‚µ‚ß‚é
3. “ü‚é ‚Í‚¢‚é
4. ‚µ‚ß‚é

ƒŒƒxƒ‹4. •ύX
SDAL“‡‰pŒêŠwZ