C2313111122233131121133132311113313223313233313231333132322232321   >>    C231311112223313112113313231111331322331323331323133313232223232   <<    C2313111122233131121133132311113313223313233313231333132322232323   >>      C2313111122233131121133132311113313223313233313231333132322232322   >>