Siegel+4

1 || 6 || 11 ||  ||   || 2 || 7 || 12 ||   ||   || 3 || 8 || 13 ||   ||   || 4 || 9 ||   ||   ||   || 5 || 10 ||   ||   ||   ||
 * [[file:Woods4.ppsx]]
 * [[file:Moore4.ppsx]]
 * [[file:Ridge4.ppsx]]
 * [[file:Pastoria4.ppsx]]
 * [[file:Nichols4.ppsx]]