abcdefgh 8♖□■□♔□■♖8 7□♙□■□♙♙♙7 6♙□♙□■□■♘6 5□■□■♟︎♗♕■5 4■♞■□■□■□4 3□■♛■□■□■3 2♟︎♟︎♟︎□♟︎□♟︎♟︎2 1♜■□■♚♝□♜1 abcdefgh C7 to C6