C131312213233313231313231323232132313231313232233132333132332313231323221131   >>    C13131221323331323131323132323213231323131323223313233313233231323132322113   <<    C131312213233313231313231323232132313231313232233132333132332313231323221133   >>      C131312213233313231313231323232132313231313232233132333132332313231323221132   >>