(83,2)..(83,21)         83      2     83     21
(38,2)..(38,21)         38      2     38     21
(36,16)..(36,21)        36     16     36     21
(4,16)..(4,21)           4     16      4     21
(36,2)..(36,13)         36      2     36     13
(3,2)..(3,13)            3      2      3     13