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.
7>∨4<∧8∧6>∧2>∧1∧5<∨9>∨3∧6>∧5<∨9∨8>∨3>∧2∧1<∧4<∨7∨9>2<74<5<68>3>13>∨1<∧6∨5<∨9>∨4∧7<∨8>∨2∧1<∧9>∨3∧2<∧6<∨7∧4<∧5<∧8∨2<7>53>1<89>6>44>∧3>∧1∧7<∧8>∨5∨6>∨2<∨9∨5<∧8>∨4∨9>∨7>∨3∧2>∧1<∧6∨8>6>21<4<93<7>5