--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test-data/map_1.21	Sat Dec 09 05:58:25 2017 -0500
@@ -0,0 +1,201 @@
+#Chr    Genpos       Marker     Physpos    Nr
+ 21   0.70496629   rs1296971   13609442    1
+ 21   0.77494263    rs468601   13769165    2
+ 21   0.85010932   rs2821973   13899316    3
+ 21   1.01291458   rs1929150   14051249    4
+ 21   1.07552959   rs2822124   14088675    5
+ 21   1.16577144   rs2775054   14121682    6
+ 21   1.34457997   rs7276618   14197852    7
+ 21   1.44169062    rs392812   14252347    8
+ 21   1.60661592   rs2822368   14311592    9
+ 21   1.73090413   rs6516610   14385827   10
+ 21   1.78470487    rs447455   14502698   11
+ 21   1.89865013    rs437521   14513560   12
+ 21   1.95928889   rs2822554   14585162   13
+ 21   2.00968909   rs2822572   14618073   14
+ 21   2.09569547  rs13050350   14653413   15
+ 21   2.14611500   rs2142236   14748155   16
+ 21   2.30459845   rs2822677   14767432   17
+ 21   2.35507107   rs2822696   14783326   18
+ 21   2.49458320    rs376635   14788185   19
+ 21   2.54981913   rs2822765   14843387   20
+ 21   2.69205997   rs2822780   14875052   21
+ 21   2.74542953    rs465340   14884525   22
+ 21   2.80926447   rs1888398   14981052   23
+ 21   2.86888387    rs458052   15013563   24
+ 21   2.93942924   rs2822907   15057767   25
+ 21   2.99612354   rs8129531   15061195   26
+ 21   3.15050759  rs12053660   15067326   27
+ 21   3.48398239   rs1883003   15147347   28
+ 21   3.62725156   rs2822974   15185311   29
+ 21   3.69755891  rs11088231   15247441   30
+ 21   3.83233721   rs2205239   15365789   31
+ 21   4.03050303   rs2823045   15382630   32
+ 21   4.11519240    rs926164   15435118   33
+ 21   4.17500340   rs2823139   15498654   34
+ 21   4.22973041   rs2823161   15515055   35
+ 21   4.31848934   rs2823194   15568649   36
+ 21   4.53372425   rs2049882   15633372   37
+ 21   4.62105207   rs1736148   15735083   38
+ 21   4.80636119   rs2823301   15780469   39
+ 21   4.88644465   rs6517467   15806025   40
+ 21   4.96357163   rs2064051   15860950   41
+ 21   5.04209154   rs9974915   15879012   42
+ 21   5.09648993   rs2823400   15922925   43
+ 21   5.28044978    rs726634   15952748   44
+ 21   5.33607360   rs7283707   16048865   45
+ 21   5.52020653   rs7283161   16247081   46
+ 21   5.60568022   rs9982633   16341775   47
+ 21   5.70676016   rs2823621   16453860   48
+ 21   5.81125072   rs2051347   16485140   49
+ 21   5.90261793   rs2823702   16551609   50
+ 21   6.11205825    rs189457   16586547   51
+ 21   6.19207523   rs2823748   16597546   52
+ 21   6.50682420   rs2849869   16651064   53
+ 21   6.65214516   rs1667568   16668191   54
+ 21   6.71981324    rs171267   16678743   55
+ 21   6.82475021  rs11911987   16722383   56
+ 21   7.39610093   rs2823881   16856068   57
+ 21   7.50376261   rs2823912   16917157   58
+ 21   7.63480472   rs2032287   16930320   59
+ 21   7.84039602   rs4818278   16998424   60
+ 21   8.04214302  rs11700643   17038979   61
+ 21   8.22354552    rs418989   17157305   62
+ 21   8.36525000   rs4818307   17217065   63
+ 21   8.45433331  rs11701390   17283040   64
+ 21   8.51634344   rs2824192   17343668   65
+ 21   8.67406372   rs2824231   17392912   66
+ 21   8.77025758   rs1501813   17554542   67
+ 21   8.82932246   rs2824273   17561990   68
+ 21   8.88853994   rs2824282   17645542   69
+ 21   9.03723097   rs4536738   17662409   70
+ 21   9.09085593   rs2824292   17709047   71
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+ 21  10.08197365    rs243570   18050577   77
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+ 21  10.67244619    rs157740   18325093   82
+ 21  10.79821762   rs2260211   18346822   83
+ 21  11.00225432   rs1491781   18406009   84
+ 21  11.15996564   rs2824646   18428522   85
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+ 21  11.64771978   rs2824704   18490357   89
+ 21  11.76380297   rs9983595   18549169   90
+ 21  11.84781755   rs7283555   18581924   91
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+ 21  12.17280440   rs2824760   18643999   93
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+ 21  12.38984244    rs978421   18764344   95
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+ 21  12.52273151   rs1735766   18848058   97
+ 21  12.57455115   rs2824909   18854315   98
+ 21  12.65879321   rs8133676   18997737   99
+ 21  12.72302066   rs8129581   19057910  100
+ 21  12.81618598   rs1159082   19121841  101
+ 21  12.90145984    rs432177   19186337  102
+ 21  12.95549266    rs443581   19216302  103
+ 21  13.06810731   rs2178993   19293300  104
+ 21  13.27236583   rs2825304   19331922  105
+ 21  13.32707225    rs764063   19376899  106
+ 21  13.37982622   rs2825410   19494502  107
+ 21  13.59530607    rs856168   19626353  108
+ 21  13.69705947   rs2825547   19668806  109
+ 21  13.75352001   rs1489734   19793599  110
+ 21  13.81559903    rs434435   19844160  111
+ 21  13.86820051   rs2244367   19866968  112
+ 21  13.98574411   rs2825673   19888587  113
+ 21  14.14320618   rs7277498   19951997  114
+ 21  14.20879296   rs2825728   19969339  115
+ 21  14.28647592   rs2825750   19983882  116
+ 21  14.33689830  rs13433388   20069219  117
+ 21  14.38898773   rs7275645   20167678  118
+ 21  14.44017677   rs2825924   20246520  119
+ 21  14.50315223   rs2825960   20320715  120
+ 21  14.56015678   rs2825977   20348756  121
+ 21  14.61166764   rs2826065   20478347  122
+ 21  14.79246064   rs2826125   20571466  123
+ 21  14.90289354   rs2246644   20645886  124
+ 21  15.04596182   rs2091991   20691564  125
+ 21  15.18648966    rs994455   20705648  126
+ 21  15.53559341   rs2826262   20743064  127
+ 21  15.66356127   rs2826339   20806826  128
+ 21  15.77781450   rs1893329   20830425  129
+ 21  15.86446260   rs2826388   20848008  130
+ 21  15.95926952   rs1351599   20913703  131
+ 21  16.05729287    rs229448   20933061  132
+ 21  16.11368606   rs2826418   20949969  133
+ 21  16.47246854   rs9974471   21056224  134
+ 21  16.66392288   rs2826538   21110606  135
+ 21  16.79121263   rs9981937   21134312  136
+ 21  16.85341215   rs2826596   21183086  137
+ 21  17.04571292   rs6518018   21296154  138
+ 21  17.10290055   rs8126872   21345875  139
+ 21  17.18846294   rs1980966   21384976  140
+ 21  17.34205820   rs2826662   21414302  141
+ 21  17.42614487   rs2826676   21427970  142
+ 21  17.51471805   rs2826713   21451562  143
+ 21  17.56528732   rs1373484   21594668  144
+ 21  17.64265500   rs2826844   21743514  145
+ 21  17.85431911    rs233803   21809131  146
+ 21  17.91111695   rs8134226   21864007  147
+ 21  17.96645267   rs1735990   21972669  148
+ 21  18.03585827   rs2826982   22043979  149
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+ 21  18.43775705   rs2246589   22210543  152
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+ 21  18.85099488   rs2827203   22289388  154
+ 21  18.94321450   rs2827251   22429921  155
+ 21  18.99671746   rs2827308   22545897  156
+ 21  19.05774110   rs2827322   22564337  157
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+ 21  19.20362216   rs2014609   22717064  159
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+ 21  19.52863920   rs8127947   23088645  162
+ 21  19.62941496    rs117674   23181728  163
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+ 21  19.74649998    rs405227   23364298  165
+ 21  19.81984364   rs2827880   23421443  166
+ 21  19.90502305   rs8134936   23558338  167
+ 21  19.95943904   rs2828019   23589727  168
+ 21  20.08961268   rs2828068   23618853  169
+ 21  20.14554663   rs2828098   23674565  170
+ 21  20.23269491   rs9980706   23719145  171
+ 21  20.28980444   rs2828167   23752189  172
+ 21  20.34721944   rs2212575   23858500  173
+ 21  20.40601271   rs1514417   23947028  174
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+ 21  20.69805264   rs2828457   24015036  176
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+ 21  20.83315713   rs2828549   24145543  178
+ 21  21.00866634   rs2828622   24215779  179
+ 21  21.06311429   rs9977556   24246806  180
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+ 21  21.30751062   rs1910670   24349615  182
+ 21  21.36223878  rs11087904   24424999  183
+ 21  21.53371556  rs12627150   24432464  184
+ 21  21.69150159   rs2828914   24512033  185
+ 21  21.74270098   rs2829026   24670327  186
+ 21  21.79938994   rs2829049   24704489  187
+ 21  21.85804827   rs2829086   24734850  188
+ 21  22.00320719  rs12053689   24836768  189
+ 21  22.08952329    rs728067   24863804  190
+ 21  22.21825129   rs4816976   24889274  191
+ 21  22.26888477   rs2829227   24946353  192
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+ 21  22.37522446   rs2829285   25002830  194
+ 21  22.55858143  rs17000332   25025907  195
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+ 21  23.00970055  rs12626495   25531117  200