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>∨1<∧8∨5>∨3>∧2∨7>∧4<∨6∧2<∧5<∨7∨4<∧6>∧1∧9>∨3<∧8∨6>3<49>8>71<5>23<∧9>∨6∨7>∧1<∧5∨2<∧8>∨4∨5>∧4>∧2∨8<∨9>∨3∧6<∨7>∧1∧8>7>12<4<65<9>37>∨6>∨5∨3>∨2<∧8∧4>∧1<∧9∨4>∨2<∧3∧1<∧7<∨9∨8>∨6>∨5∧1<8<96>5>43>2<7