C313212111133131211331333133313331333133311233133313332231323221   >>    C31321211113313121133133313331333133313331123313331333223132322   <<    C313212111133131211331333133313331333133311233133313332231323223   >>      C313212111133131211331333133313331333133311233133313332231323222   >>