D233123313113313113313222332313231323132322331323132211233132313231333132233321   >>    D23312331311331311331322233231323132313232233132313221123313231323133313223332   <<    D233123313113313113313222332313231323132322331323132211233132313231333132233323   >>      D233123313113313113313222332313231323132322331323132211233132313231333132233322   >>