Our ten-foot teardrop is sitting next to another one, like two eggs in a rack. On the other side is a bulkhead; behind, the curve of the hull; and directly ahead an empty space, then another bulkhead and an open door, through which after a few seconds a head pokes cautiously.

The head is then followed by a body which kicks off against the wall and sails slowly towards us. Ram presses a stud and a door slides open in the hopper; but the new arrival stops himself with a hand on either side of the frame, his legs trailing any old how behind him. It is Peter Yeng Sen who graduated the year I did my Field Work.

He says, Gopal, dear fellow, there was no need for the knocking, we heard the bell all right.

Ram grumbles something about the guide beam being miss-set, and slides out of his chair. Peter announces that we have only just made it as the deadline is in seven minutes time; he waves B and me out of the hopper, through the door and into a corridor where a certain irregular vibration is coming from the walls.

Ram asks what is that tapping? And Peter sighs and says The present generation of students has no discipline at all.

At this B brakes with one hand against the wall and cocks her head to listen; next moment she laughs and starts banging with her fist on the wall.

Peter exclaims in Mandarin and tows her away by one wrist like a reluctant kite. The rapping starts again on the far side of the wall and I suddenly recognize a primitive signaling system called Regret or something, I guess because it was used by people in situations they did not like such as Sinking ships or solitary confinement; it is done by tapping water pipes and such.

Someone found it in a book and the more childish element in College learned it up for signaling during compulsory lectures. Interest waning abruptly when the lecturers started to learn it, too.

I never paid much attention not expecting to be in Solitary confinement much; this just shows you; next moment Ram opens a door and pushes me through it, the door clicks behind me and Solitary confinement is what I am in.

I remember this code is really called Remorse which is what I feel for not learning when I had the chance.