D331313112221121133132322112331323223313331323212121323132313231323221211   >>    D33131311222112113313232211233132322331333132321212132313231323132322121   <<    D331313112221121133132322112331323223313331323212121323132313231323221213   >>      D331313112221121133132322112331323223313331323212121323132313231323221212   >>