     Sudoku Solution Path   Copyright © Kevin Stone R1C7 is the only square in row 1 that can be <8> R5C6 is the only square in row 5 that can be <8> R7C3 is the only square in row 7 that can be <8> R9C3 is the only square in row 9 that can be <3> R8C3 is the only square in column 3 that can be <2> R7C9 is the only square in column 9 that can be <9> R8C7 can only be <1> R8C5 can only be <9> R1C5 can only be <7> R2C5 can only be <1> R1C1 is the only square in row 1 that can be <9> R9C1 is the only square in row 9 that can be <1> R7C2 can only be <4> R7C1 can only be <5> R7C6 can only be <1> R7C4 can only be <6> R4C6 can only be <9> R3C6 can only be <3> R9C5 can only be <4> R6C5 can only be <2> R3C4 can only be <9> R6C6 can only be <4> R6C3 can only be <7> R6C4 can only be <3> R6C7 can only be <9> R2C3 can only be <4> R5C1 can only be <4> R2C7 can only be <7> R3C1 can only be <7> R4C7 can only be <5> R7C7 can only be <2> R4C5 can only be <6> R9C7 can only be <6> R7C8 can only be <7> R5C8 can only be <2> R9C9 can only be <5> R3C7 can only be <4> R1C9 can only be <6> R1C3 can only be <5> R3C9 can only be <2> R3C8 can only be <5> R5C9 can only be <7> R4C3 can only be <1> R5C5 can only be <5> R5C4 can only be <1> R4C4 can only be <7> R3C3 can only be <6> R5C2 can only be <6> R3C2 can only be <1> [Puzzle Code = Sudoku-20190212-Medium-303728]    