C313212111133131211331333133313331333133312111133133313331333132233131121   >>    C31321211113313121133133313331333133313331211113313331333133313223313112   <<    C313212111133131211331333133313331333133312111133133313331333132233131123   >>      C313212111133131211331333133313331333133312111133133313331333132233131122   >>