p1µMp2µ p3E†Buffer'p4EÌBufferp5ÍMp6Î t1M¡Producet2µ¦ Put in buffert5Í¡Remove from buffert65¡Consume t1p1M¡«Ut2p1µMµ¦t2p2µ¦µüt1p2µ M¡t2p3E†µ¦t5p3Í¡Qˆt2p4µ¦8Èt5p4EÌÍ¡t5p5ÍMÍ¡t6p55¡×Ut6p6Î 5¡t5p6Í¡Íü