C131312213233313231313231323232132313231313232233132333132333132321123232311   >>    C13131221323331323131323132323213231323131323223313233313233313232112323231   <<    C131312213233313231313231323232132313231313232233132333132333132321123232313   >>      C131312213233313231313231323232132313231313232233132333132333132321123232312   >>