C313212111133131211331333133313331333133311233133313113313331323213221   >>    C31321211113313121133133313331333133313331123313331311331333132321322   <<    C313212111133131211331333133313331333133311233133313113313331323213223   >>      C313212111133131211331333133313331333133311233133313113313331323213222   >>