C131312213233313231313231323232132313231313232233132333132313232332333132323331   >>    C13131221323331323131323132323213231323131323223313233313231323233233313232333   <<    C131312213233313231313231323232132313231313232233132333132313232332333132323333   >>      C131312213233313231313231323232132313231313232233132333132313232332333132323332   >>