C313212111133131211331333133313331333133312111133133313331333132313232233112111   >>    C31321211113313121133133313331333133313331211113313331333133313231323223311211   <<    C313212111133131211331333133313331333133312111133133313331333132313232233112113   >>      C313212111133131211331333133313331333133312111133133313331333132313232233112112   >>