D112132322331322331311211331323113313233313233313231323133313331322221211   >>    D11213232233132233131121133132311331323331323331323132313331333132222121   <<    D112132322331322331311211331323113313233313233313231323133313331322221213   >>      D112132322331322331311211331323113313233313233313231323133313331322221212   >>