C313212111133131211331333133313331333133313231333133313331333133313221233112331   >>    C31321211113313121133133313331333133313331323133313331333133313331322123311233   <<    C313212111133131211331333133313331333133313231333133313331333133313221233112333   >>      C313212111133131211331333133313331333133313231333133313331333133313221233112332   >>