C313212111133131211331333133313331333133311233132313331311221121122333131   >>    C31321211113313121133133313331333133313331123313231333131122112112233313   <<    C313212111133131211331333133313331333133311233132313331311221121122333133   >>      C313212111133131211331333133313331333133311233132313331311221121122333132   >>