#C structured description of period 24 rake

#C pat      x  y  rot  flip  delay
#C ---      -  -  ---  ----  -----
#I gen:24
#I ss:s     2  1 
#I ss:s     2  1   0    -1 
#I ss:l   -12  6 
#I ss:l   -12 -9   0     0     1