IMSO 2022 Mathematics — International Short Answer Question 4

In the number pattern below, what is the first number in Row 2023?

| Row | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|
| 1 | 1 | | | | | |
| 2 | 3 | 2 | | | | |
| 3 | 4 | 5 | 6 | | | |
| 4 | 10 | 9 | 8 | 7 | | |
| 5 | 11 | 12 | 13 | 14 | 15 | |
| 6 | 21 | 20 | 19 | 18 | 17 | 16 |
| … | … | … | … | … | … | … |
| 2023 | ? | | | | | |