Added alternate solution for 10-unknown-network-1-unknown-context.

[phaax]

Here's my solution for 10-unknown-network-1-unknown-context.

40 cycles, 19 size, 27 activity.

[atward]

LINK 800

MARK LOOP
ADDI X 1 X
TEST X = 4
TJMP END

REPL FORK
NOTE PARENT
LINK 800
JUMP LOOP

MARK FORK
NOTE CHILD
LINK 801
JUMP LOOP

MARK END
KILL
GRAB 276

@REP 4
LINK -1
@END