C131312213233313231313231323232132313231313232233132333132313232213331   >>    C13131221323331323131323132323213231323131323223313233313231323221333   <<    C131312213233313231313231323232132313231313232233132333132313232213333   >>      C131312213233313231313231323232132313231313232233132333132313232213332   >>