| 문제 | 링크 |
|---|---|
| 행렬 테두리 회전하기 - Level 2 | https://school.programmers.co.kr/learn/courses/30/lessons/77485 |
| 삼각 달팽이 - Level 2 | https://school.programmers.co.kr/learn/courses/30/lessons/68645 |
| 거리두기 확인하기 - Level 2 | https://school.programmers.co.kr/learn/courses/30/lessons/81302 |
| 행렬의 곱셈 - Level 2 | https://school.programmers.co.kr/learn/courses/30/lessons/12949 |