D3313223323213233313231311112331323223313331323133313231333221121   >>    D331322332321323331323131111233132322331333132313331323133322112   <<    D3313223323213233313231311112331323223313331323133313231333221123   >>      D3313223323213233313231311112331323223313331323133313231333221122   >>