D3113132322132322331323112331323211331311331323133311221123123311   >>    D311313232213232233132311233132321133131133132313331122112312331   <<    D3113132322132322331323112331323211331311331323133311221123123313   >>      D3113132322132322331323112331323211331311331323133311221123123312   >>