H Z H Z sBBC B B B :?, @ CCP4N MAP DA ]= written by GEMMI x,y,z -x+1/2,-y,z+1/2 x+1/2,-y+1/2,-z -x,y+1/2,-z+1/2 ==0;h1I?V&<\=66LpBu^H"<=>;=QA==mGU;yI,h=0`;_}8 E缣\=ͣ<.=GSo},`'n<==='<,`x!<~vμO9