| ⇢ | F | LCS added | |
| F | ↛ | AbstractLCS removed |
| ⇢ | F | LCS::findMiddleSnake() added | |
| ⇢ | C | LCS::findMostProgress() added | |
| ⇢ | B | LCS::longestCommonSubsequence() added | |
| ⇢ | B | LCS::lcsRec() added | |
| ⇢ | A | LCS::getLength() added | |
| F | ↛ | AbstractLCS::findMiddleSnake() removed | |
| C | ↛ | AbstractLCS::findMostProgress() removed | |
| B | ↛ | AbstractLCS::longestCommonSubsequence() removed | |
| B | ↛ | AbstractLCS::lcsRec() removed | |
| A | ↛ | AbstractLCS::getLength() removed |