(shape(south, any 54xx, 64xx, 74xx, 55xx ) 
 and not shape(north,  4333, 4432 )
 and hcp(south)>12
 and hcp(south)<19
 and hcp(north)>12
 and hcp(north)<19
 )
or
(shape(north, any 54xx, 64xx, 74xx, 55xx )  
 and not shape(south,  4333, 4432 )
 and hcp(north)>12
 and hcp(north)<19
 and hcp(south)>12
 and hcp(south)<19
 )