C2313111122233131121133132311113313223313231333132313221323132231   >>    C231311112223313112113313231111331322331323133313231322132313223   <<    C2313111122233131121133132311113313223313231333132313221323132233   >>      C2313111122233131121133132311113313223313231333132313221323132232   >>