D112211231223323131133131133132311213231323223313231311233132233231   >>    D11221123122332313113313113313231121323132322331323131123313223323   <<    D112211231223323131133131133132311213231323223313231311233132233233   >>      D112211231223323131133131133132311213231323223313231311233132233232   >>