C313212111133131211331333133313331333133311233133313113313331323211232322311   >>    C31321211113313121133133313331333133313331123313331311331333132321123232231   <<    C313212111133131211331333133313331333133311233133313113313331323211232322313   >>      C313212111133131211331333133313331333133311233133313113313331323211232322312   >>