C313212111133131211331333133313331333133311233132313331333132313331123321   >>    C31321211113313121133133313331333133313331123313231333133313231333112332   <<    C313212111133131211331333133313331333133311233132313331333132313331123323   >>      C313212111133131211331333133313331333133311233132313331333132313331123322   >>