C313212111133131211331333133313331333131121133133311233132313223313331323233131   >>    C31321211113313121133133313331333133313112113313331123313231322331333132323313   <<    C313212111133131211331333133313331333131121133133311233132313223313331323233133   >>      C313212111133131211331333133313331333131121133133311233132313223313331323233132   >>