D112132322331322331311211331323113313233313233313231311331322221   >>    D11213232233132233131121133132311331323331323331323131133132222   <<    D112132322331322331311211331323113313233313233313231311331322223   >>      D112132322331322331311211331323113313233313233313231311331322222   >>