Leaning Tower

• Normal sudoku rules apply.
• Digits along the marked diagonal don't repeat.
• Digits separated by a white dot are consecutive. Not all possible white dots are shown.
• A digit on a line indicates exactly how many lines contain that digit. Eg: if there is a 5 on a line, then 5 lines contain a 5.
• The lines each have a different name, and must follow the corresponding rule. It must be determined which line is which.

LINE A - Dutch whisper: Adjacent digits on the line have a difference of at least 4. LINE B - Parity: Digits alternate between even and odd along the line. LINE C - Region sum: In each 3x3 box, digits on the line have the same total. LINE D - Entropic: Each group of 3 adjacent cells along the line contain one low digit (1, 2 or 3), one medium digit (4, 5 or 6) and one high digit (7, 8 or 9). LINE E - Renban: This line contains a set of four consecutive digits, but they can be arranged in any order. LINE F - Nabner: No two consecutive digits appear anywhere on the line. LINE G - Ten Line: Each cell on this line belongs to a group of adjacent cells which sum to 10. If there are more than one of these groups, they don't overlap.

The grey perimeter can be used for making notes.