$EXEC orbit
(0,1,2,3,4,5,6,7,8,9,10,11,12)(13,14,15,16,17,18,19,20,21,22,23,24,25)
(0)(1,2,4,8,3,6,12,11,9,5,10,7)(13)(14,15,17,21,16,19,25,24,22,18,23,20)
..
000000000011110100100101001
100000001011011100011000000
..
# Nurmela et al.
# add word
000001111111110000000000000