D33132213132132313231323132321323132313231323223313112223313231   >>    D3313221313213231323132313232132313231323132322331311222331323   <<    D33132213132132313231323132321323132313231323223313112223313233   >>      D33132213132132313231323132321323132313231323223313112223313232   >>