D112132322331322331311211331323113313233313233313231323133313331323221212111   >>    D11213232233132233131121133132311331323331323331323132313331333132322121211   <<    D112132322331322331311211331323113313233313233313231323133313331323221212113   >>      D112132322331322331311211331323113313233313233313231323133313331323221212112   >>