Mitraillette
Normal sudoku rules apply
Sandwich: A clue outside the grid gives the sum of the digits appearing between the 1 and the 9 in that row/column
Belgian whisper: Neighbouring/adjacent digits along an brown line must have a difference of exactly 3, 4 or 5
Digits on lines may repeat as long as permitted by other rules
NB. Mitraillette is a popular Belgian sandwich typically made with a baguette, fries, meat and sauce
Lösungscode: Box 1 (reading order)