C313212111133131211331333133313331333133313231333132322133311211   >>    C31321211113313121133133313331333133313331323133313232213331121   <<    C313212111133131211331333133313331333133313231333132322133311213   >>      C313212111133131211331333133313331333133313231333132322133311212   >>