1     1   *** begin left orientated grid enclosure    1
    38     1
    38    27
    35    27
    35    26
    34    26
    34    24
    31    24
    31    25
    19    25
    19    27
    17    27
    17    23
    14    23
    14    24
    13    24
    13    26
    11    26
    11    29
     9    29
     9    25
     7    25
     7    23
     6    23
     6    22
     4    22
     4    21
     3    21
     3    20
     2    20
     2    19
     1    19
     1     1   *** end left orientated grid enclosure   1