C312312111133131121333133313113313331333133112111133133313221133131   >>    C31231211113313112133313331311331333133313311211113313331322113313   <<    C312312111133131121333133313113313331333133112111133133313221133133   >>      C312312111133131121333133313113313331333133112111133133313221133132   >>