C123211131133132233131323132313233313233313132313133313231333132311311   >>    C12321113113313223313132313231323331323331313231313331323133313231131   <<    C123211131133132233131323132313233313233313132313133313231333132311313   >>      C123211131133132233131323132313233313233313132313133313231333132311312   >>