D233123313113313113313222332313231323132322331323231333132322132311331   >>    D23312331311331311331322233231323132313232233132323133313232213231133   <<    D233123313113313113313222332313231323132322331323231333132322132311333   >>      D233123313113313113313222332313231323132322331323231333132322132311332   >>