indentation failure

hanoi.bash

#! /usr/bin/bash

function repeat  {  # $1=char $2=number of repetitions
    local n           # Repeat-print a character.

    for (( n=0; n<$2; n++ )); do
        echo -n "$1"
    done
}

# ...
# ...
# ...

function PrintRods  {
    local disk rod empty fill sp sequence


    repeat " " $spaces1
           echo -n "|"
           repeat " " $spaces2
                  echo -n "|"
                  repeat " " $spaces2
                         echo "|"
                         sequence=$(echo $(seq 0 $disks1 | tac))
                         for disk in $sequence; do
                             for rod in {1..3}; do
                                 eval empty=$(( $DISKS - (Rod${rod}[$disk] / 2) ))
                                 eval fill=\${Rod${rod}[$disk]}
                                 repeat " " $empty
                                        test $fill -gt 0 && repeat "*" $fill || echo -n "|"
                                                                   repeat " " $empty
                                                                   done
                                                                          echo
                                                                   done
                                                                          repeat "=" $basewidth   # Print "base" beneath rods.
                                                                                 echo
}

# ... 
# ...
# ...