D11233131212331323223313133313112211232322331313132333131111321   >>    D1123313121233132322331313331311221123232233131313233313111132   <<    D11233131212331323223313133313112211232322331313132333131111323   >>      D11233131212331323223313133313112211232322331313132333131111322   >>