D311313232213232233132311233132321133131133132313331122112323132313231323221231   >>    D31131323221323223313231123313232113313113313231333112211232313231323132322123   <<    D311313232213232233132311233132321133131133132313331122112323132313231323221233   >>      D311313232213232233132311233132321133131133132313331122112323132313231323221232   >>