Adjacency matrix for the I=88 Ohio counties One row for each county, listed in alphabetical order col 1 = number of adjacencies remaining cols = indices of adjacent counties Example: First row corresponds to County 1 (Adams). It is adjacent to 4 other counties: Counties 8, 36, 66, and 73. 4 : 8,36,66,73 5 : 6,32,33,69,81 7 : 38,39,42,47,52,70,85 3 : 28,43,78 6 : 37,53,58,64,82,84 7 : 2,19,33,46,54,75,81 5 : 30,34,41,56,61 4 : 1,13,14,36 4 : 31,57,68,83 5 : 15,34,41,76,79 6 : 12,46,49,55,75,80 5 : 11,29,49,55,57 4 : 8,14,31,83 6 : 8,13,24,29,36,83 4 : 10,41,50,76 6 : 30,38,42,45,60,79 6 : 39,51,59,70,74,88 5 : 28,43,47,52,77 6 : 6,54,55,57,68,75 4 : 35,63,69,86 6 : 25,42,45,51,59,80 3 : 39,47,72 5 : 25,37,45,64,65 6 : 14,29,36,49,65,71 6 : 21,23,45,49,65,80 3 : 35,48,86 5 : 36,40,44,53,82 5 : 4,18,43,67,78 6 : 12,14,24,49,57,83 6 : 7,16,34,60,61,79 3 : 9,13,83 6 : 2,33,69,74,87,88 7 : 2,6,32,46,51,80,88 5 : 7,10,30,41,79 6 : 20,26,48,69,86,87 7 : 1,8,14,24,27,66,71 6 : 5,23,64,65,71,82 6 : 3,16,42,76,79,85 7 : 3,17,22,47,70,72,74 6 : 27,44,66,71,73,82 4 : 7,10,15,34 7 : 3,16,21,38,45,59,70 3 : 4,18,28 3 : 27,40,73 7 : 16,21,23,25,42,60,64 5 : 6,11,33,75,80 5 : 3,18,22,39,52 4 : 26,35,62,87 7 : 11,12,24,25,29,65,80 4 : 15,67,76,78 6 : 17,21,33,59,80,88 5 : 3,18,47,77,85 3 : 5,27,82 3 : 6,19,81 5 : 11,12,19,57,75 3 : 7,61,84 7 : 9,12,19,29,55,68,83 5 : 5,60,61,64,84 5 : 17,21,42,51,70 6 : 16,30,45,58,61,64 6 : 7,30,56,58,60,84 3 : 48,72,87 3 : 20,69,81 6 : 5,23,37,45,58,60 6 : 23,24,25,37,49,71 5 : 1,36,40,71,73 5 : 28,50,76,77,78 3 : 9,19,57 6 : 2,20,32,35,63,81 5 : 3,17,39,42,59 7 : 24,36,37,40,65,66,82 5 : 22,39,62,74,87 4 : 1,40,44,66 6 : 17,32,39,72,87,88 5 : 6,11,19,46,55 8 : 10,15,38,50,67,77,79,85 5 : 18,52,67,76,85 4 : 4,28,50,67 6 : 10,16,30,34,38,76 7 : 11,21,25,33,46,49,51 5 : 2,6,54,63,69 6 : 5,27,37,40,53,71 6 : 9,13,14,29,31,57 4 : 5,56,58,61 5 : 3,38,52,76,77 3 : 20,26,35 6 : 32,35,48,62,72,74 5 : 17,32,33,51,74