def test_sorted_box_possibilities() -> None:
"""Ensure order of sorted box possibilities with given reduced board"""
board_string = ('4.....8.5.3..........7......2.....6.....8.4......1.......'
'6.3.7.5..2.....1.4......')
expected_sort = ['G2', 'H7', 'A4', 'A6', 'E4', 'F4', 'G1', 'G3', 'G5',
'H5', 'H8', 'I4', 'I5', 'A2', 'A5', 'A8', 'B8', 'C1',
'D1', 'D4', 'D6', 'E1', 'G7', 'H2', 'H9', 'I2', 'I6',
'A3', 'B1', 'B4', 'B5', 'B7', 'C2', 'C7', 'C8', 'D3',
'D5', 'D7', 'D9', 'E2', 'E3', 'E6', 'E8', 'E9', 'F1',
'F3', 'F6', 'F7', 'F8', 'F9', 'G9', 'I7', 'I8', 'I9',
'B6', 'B9', 'C3', 'C5', 'C6', 'C9', 'B3']
board = SB.grid_values(board_string)
sbrd = SB()
reduced = sbrd.reduce_puzzle(board)
SB.display(reduced)
sorted_boxes = SB.sorted_box_possibilities(reduced)
assert sorted_boxes == expected_sort
