+---------------+---------------+
| Thousands | |
+----+----+-----+-----+----+----+
| H. | T. | U. | H. | T. | U. |
+----+----+-----+-----+----+----+
| | | | | 3 | 4 | Differences (making 200 trial
| | | | | | | divisor).
| | | | 1 | 6 | 6 | Divisors.
+----+----+-----+-----+----+----+
| | |[4*]7| 8 | | | +Dividends.+
| | | 1 | | | | Remainder of greatest dividend.
| | | | 1 | 2 | | Product of 1st difference (4)
| | | | | | | by 1st Quotient (3).
| | | | 9 | | | Product of 2nd difference (3)
| | | | | | | by 1st Quotient (3).
+----+----+-----+-----+----+----+
| | |[4*]2| 8 | 2 | | New dividends.
| | | | 3 | 4 | | Product of 1st and 2nd difference
| | | | | | | by 2nd Quotient (1).
+----+----+-----+-----+----+----+
| | |[4*]1| 1 | 6 | | New dividends.
| | | | | 2 | | Product of 1st difference by
| | | | | | | 3rd Quotient (5).
| | | | 1 | 5 | | Product of 2nd difference by
| | | | | | | 3rd Quotient (5).
+----+----+-----+-----+----+----+
| | | |[4*]3| 3 | | New dividends.
| | | | 1 | | | Remainder of greatest dividend.
| | | | | 3 | 4 | Product of 1st and 2nd difference
| | | | | | | by 4th Quotient (1).
+----+----+-----+-----+----+----+
| | | | 1 | 6 | 4 | +Remainder+ (less than divisor).
| | | | | | 1 | 4th Quotient.
| | | | | | 5 | 3rd Quotient.
| | | | | 1 | | 2nd Quotient.
| | | | | 3 | | 1st Quotient.
+----+----+-----+-----+----+----+
| | | | | 4 | 6 | +Quotient.+
+----+----+-----+-----+----+----+
[Footnote 4*: These figures are removed at the next step.]