PUZZLE NO. 93 : Dual Sudoku ( Outside Sudoku 6x6 & Inside Sudoku 6x6 )

This is a dual sudoku. It can be solved individually, both as an Outside Sudoku as well as an Inside Sudoku.

RULES FOR OUTSIDE SUDOKU : Place a digit from 1 to 6 in each empty cell so that each digit appears exactly once in each row, column and 2x3 box. Additionally, the digits outside the grid must appear in one of the first two cells seen from that edge of the grid.

RULES FOR INSIDE SUDOKU : Place a digit from 1 to 6 in each empty cell so that each digit appears exactly once in each row, column and 2x3 box. Additionally, the digits outside the grid must appear in either the second or the third cell seen from that edge of the grid.