D3313223323213233313232233132311211331323133313331322233231323121   >>    D331322332321323331323223313231121133132313331333132223323132312   <<    D3313223323213233313232233132311211331323133313331322233231323123   >>      D3313223323213233313232233132311211331323133313331322233231323122   >>