C2313111122233131121133132311113313223313231333132333132313232211321   >>    C231311112223313112113313231111331322331323133313233313231323221132   <<    C2313111122233131121133132311113313223313231333132333132313232211323   >>      C2313111122233131121133132311113313223313231333132333132313232211322   >>