D112132322331322331311211331323113313233313233313231323133112121111   >>    D11213232233132233131121133132311331323331323331323132313311212111   <<    D112132322331322331311211331323113313233313233313231323133112121113   >>      D112132322331322331311211331323113313233313233313231323133112121112   >>