<image> Complete the tasks as required.
(1) Fill in the numbers in sequence.

(2) Color the numbers with 6 in the tens place red, and color the numbers with 6 in the units place green.
(3) Color the numbers with the same digits in the units and tens places yellow.
(4) The 9th number in the 4th row is (___ ).
(5) The 5th number in the 7th row is (___ ).
(6) Count how many numbers are between 51 and 59, and write them on the line. ____________