C313212111133131211331333133313331333133311233133313113313232321333132321123221   >>    C31321211113313121133133313331333133313331123313331311331323232133313232112322   <<    C313212111133131211331333133313331333133311233133313113313232321333132321123223   >>      C313212111133131211331333133313331333133311233133313113313232321333132321123222   >>