- 4 blocks, each:
- 14 foundations to make flat slope on top of the 14 slopes
- 8 foundations to make a slope inclined
- 4 blocks, each:
- 4 halftile slopes
- 1st block: no neighbouring foundation in the north, so walls on the north border
- 2nd block: neighbouring foundation in NW, only wall in NE
- 3rd block: neighbouring foundation in NE, only wall in NW
- 4th block: neighbouring foundation in NW and NE, no walls on north border