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.
5<∧8>∨3∨9>∨7>∨4∧6>∨1<∧2∨6<∨7>∨2∧8>∨5<∨9∨3<∧4>∧1∧4>2<63>1<57<8<99>∨4<∧5∧1<∧2<∧3∧8>∨6<∨7∨1<∧6<∨9∨4<∧8>∧7∨5>∨2<∧3∧7>1<85<9>24>3<68>∨3<∧7∨2<∧6>∨1∧9>∨5>∧4∧2<∧9>∨4∨6>∧3<∧8∨1<∧7>∧5∧3<5>17>4<62<9>8