D233123313113313132313232233132321133131133132313221333132311121   >>    D23312331311331313231323223313232113313113313231322133313231112   <<    D233123313113313132313232233132321133131133132313221333132311123   >>      D233123313113313132313232233132321133131133132313221333132311122   >>