C123211131133132233131323132313233313233313133313132313233311231   >>    C12321113113313223313132313231323331323331313331313231323331123   <<    C123211131133132233131323132313233313233313133313132313233311233   >>      C123211131133132233131323132313233313233313133313132313233311232   >>