D112121123313113313132313221323133313132322331323221122112322131   >>    D11212112331311331313231322132313331313232233132322112211232213   <<    D112121123313113313132313221323133313132322331323221122112322133   >>      D112121123313113313132313221323133313132322331323221122112322132   >>