SudokuGT
Greater-than sudoku: inequality signs instead of givens.
Greater-than sudoku: no givens, only inequality signs between neighbouring cells. Fill in 1–N per row, column and box so every inequality holds.
9>∨5<∨8∨3<∧4>∧1∧6<∨7>∨2∧2<∧4>∧1∧9>∨6<∨7∨5>∧3<∧8∨7>6>38>2<59>4>15>∧3<∨7∨6<∨9>∨8∨1<∧2<∧4∧6>∨1<∧2∧4<∨7>∨3∨8<∨9>∨5∨4<8<91<5>27>6>38>∨7>∧4∧2>∧1<∧6∨3<∨5<∧9∨1<∧9>∨5∧7>∨3<∧4∧2<∧8>∨6∧3>2<65<8<94>1<7