C2313111122233131121133132311113313223313231333132333132322132311311   >>    C231311112223313112113313231111331322331323133313233313232213231131   <<    C2313111122233131121133132311113313223313231333132333132322132311313   >>      C2313111122233131121133132311113313223313231333132333132322132311312   >>