Here are Rhythm Changes licks / patterns in all keys used in jazz improvisations. Practice those lines slowly with clear and exact articulation and gradually add some speed. Also check out these lines (Charlie Parker, Minor 7th and II-V-I Patterns).

• (1) Line on A section (eight bars)
• (2) Line on A section (eight bars)
• (1) Line on B section (bridge)
• (2) Line on B section (bridge)

Keep practicing and have fun!