C313212111133131211331333133313331333133313231333133313331333132212111133213121   >>    C31321211113313121133133313331333133313331323133313331333133313221211113321312   <<    C313212111133131211331333133313331333133313231333133313331333132212111133213123   >>      C313212111133131211331333133313331333133313231333133313331333132212111133213122   >>