## {4,4}, square 1F + tromino 1F, solution 7
e2.
angleunit(pi/2)
# the line below lets us specify internal angles
angleofs(pi)
unittile(1,1,1,1)
unittile(1,1,2,2,1,1,2,2)
# the Conway notation
conway("(0 1)(2 2')(3 3')[0'](1' 4')[5'][6'][7']")
sublines(1)