^{using tcp fill in the 10 blacks on the figure provided}

Host A Host B Seq=80, 20 bytes data Seq=100, 20 bytes datay Seg=120, 20 bytes data CK Seq=140, 20 bytes data Seq=160, 20 bytes data timeout ACK Seg= Seq= 20 bytes data 20 bytes data ACK X ACKE Seq= 20 bytes data time ACK=