D3313223323213233313232233132311211331323133313331323132322123231121   >>    D331322332321323331323223313231121133132313331333132313232212323112   <<    D3313223323213233313232233132311211331323133313331323132322123231123   >>      D3313223323213233313232233132311211331323133313331323132322123231122   >>