D3313111211331323133313331333133313231323133313232322121111331313223311   >>    D331311121133132313331333133313331323132313331323232212111133131322331   <<    D3313111211331323133313331333133313231323133313232322121111331313223313   >>      D3313111211331323133313331333133313231323133313232322121111331313223312   >>