For the following questions use the digits $3$3, $6$6, $6$6, $4$4, $1$1 and $7$7.

Make the largest number possible.

Make the second largest number possible.

For the following questions use the digits $6$6, $5$5, $8$8, $9$9, $2$2 and $7$7.

For the following questions use the digits $5$5, $2$2, $3$3, $5$5, $1$1 and $5$5.

For the following questions use the digits $8$8, $3$3, $5$5, $8$8, $7$7 and $8$8.

Know counting sequences for whole numbers.