C313212111133131211331333133313331333133322121112111133132212231   >>    C31321211113313121133133313331333133313332212111211113313221223   <<    C313212111133131211331333133313331333133322121112111133132212233   >>      C313212111133131211331333133313331333133322121112111133132212232   >>