Much simpler versions of add_ptr_directions() and congruous().
Much simpler versions of add_ptr_directions() and congruous().

28msec/zorba,cezarfx/zorba,28msec/zorba,cezarfx/zorba,cezarfx/zorba,bgarrels/zorba,cezarfx/zorba,bgarrels/zorba,cezarfx/zorba,28msec/zorba,cezarfx/zorba,cezarfx/zorba,bgarrels/zorba,bgarrels/zorba,cezarfx/zorba,cezarfx/zorba,bgarrels/zorba,28msec/zorba,28msec/zorba,28msec/zorba,28msec/zorba,28msec/zorba,bgarrels/zorba,cezarfx/zorba,bgarrels/zorba,bgarrels/zorba,28msec/zorba