           c      d      f      e      a      b      
    bka    vebi   nfl    otaxk  otaxk  wxl    nfl    
    nfl    vebi   yvyhsd dzc    zyjafv wxl    qrxerd 
  * ajupuu lgzifd ajupuu qrxerd wxl    wxl    usa    
  * vebi   qrxerd bka    kymbq  wxl    usa    yvyhsd 
  * qrxerd yvyhsd nfl    bka    dzc    wxl    dzc    
→ * kymbq  usa    tebyp  vebi   otaxk  otaxk  usa    
    tebyp  qrxerd qrxerd zyjafv bka    dzc    lgzifd 
    usa    bka    dzc    lgzifd tebyp  dzc    yvyhsd 
  * lgzifd bka    vebi   tebyp  wxl    qrxerd dzc    
  * zyjafv vebi   kymbq  bka    usa    nfl    ajupuu 
    yvyhsd bka    bka    vebi   tebyp  nfl    vebi   
  * otaxk  usa    otaxk  lgzifd kymbq  lgzifd bka    
    wxl    usa    usa    otaxk  zyjafv lgzifd bka    
  * dzc    yvyhsd zyjafv ajupuu yvyhsd usa    usa    