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<∨6>∧3∧9>∨4<∧7∨8>∨1<∧2∧2<∧7>∧4∧8>∨5>∨1∧6<∨9>∨3∨9>8>72<3<54<6>11<∧9>∨5∧4<∨6>∨2∧3<∧7<∨8∨8>∨2<∧6∨3>∧1<∧9∨7>∧4<∨5∨6>3>15<7<89>2<44>∧1<∧2∧6<∨9>∨3∧5<∨8>∨7∨7>∨5<∨9∨1<∧8>∨4∧2<∨3<∧6∧3<4<87>2<61<5<9