D33132213132132313231323132321323132313231323223313112223313231313231323121   >>    D3313221313213231323132313232132313231323132322331311222331323131323132312   <<    D33132213132132313231323132321323132313231323223313112223313231313231323123   >>      D33132213132132313231323132321323132313231323223313112223313231313231323122   >>