C131312213233313231313231323232132313231313232233132333132333132312131   >>    C13131221323331323131323132323213231323131323223313233313233313231213   <<    C131312213233313231313231323232132313231313232233132333132333132312133   >>      C131312213233313231313231323232132313231313232233132333132333132312132   >>