D3313223323213233313231311112331323223313331323133313231232312111   >>    D331322332321323331323131111233132322331333132313331323123231211   <<    D3313223323213233313231311112331323223313331323133313231232312113   >>      D3313223323213233313231311112331323223313331323133313231232312112   >>