SudokuGT
Greater-than sudoku: inequality signs instead of givens.
How to play
Greater-than sudoku: no givens, only inequality signs between neighbouring cells. Fill in 1–N per row, column and box so every inequality holds.
6<∧8<∨9∨4>∧2<∨3∧1<∧5<∧7∨7>∨2<∧3∨8>∧1<∧5∧4<∨9>∨6∧4<5>19>7>63>2<89>∨6>∨2∧7>∨5>∧4∨8>∨3>∧1∧8>∨3<∧5∨1<∧6>∧2∧7>∨4<∧9∨1<7>43<8<92<6>53>∨1<∧6∧2<∧9>∨8∨5<∧7>∨4∨2<∧9>∨8∨5>∧4<∨7∨6>∧1<∧3∨5>4<76>3>19>8>2