C131312213233313231313231323232132313231313232233132333132313222131   >>    C13131221323331323131323132323213231323131323223313233313231322213   <<    C131312213233313231313231323232132313231313232233132333132313222133   >>      C131312213233313231313231323232132313231313232233132333132313222132   >>