C313212111133131211331333133313331333133313231333133313331333133313332322231121   >>    C31321211113313121133133313331333133313331323133313331333133313331333232223112   <<    C313212111133131211331333133313331333133313231333133313331333133313332322231123   >>      C313212111133131211331333133313331333133313231333133313331333133313332322231122   >>