$\begin {array} {1 1} (1)\;Ventral\: side\: of \: 14th\: segment & \quad (2)\;Dorsal\; side\: of \: of 14th\: segment \\ (3)\;Ventral\: side\: of \: 18th\: segment & \quad (4)\;Dorsal\: side\: of \: 18th\: segment \end {array}$
