{ colwidth = 32 node_height = 72 0-15: Source Port 16-31: Destination Port 32-63: Sequence Number 64-95: Acknowledgment Number 96-99: Data Offset 100-105: Reserved 106: URG [rotate = 270] 107: ACK [rotate = 270] 108: PSH [rotate = 270] 109: RST [rotate = 270] 110: SYN [rotate = 270] 111: FIN [rotate = 270] 112-127: Window 128-143: Checksum 144-159: Urgent Pointer 160-191: (Options and Padding) 192