C3132121111133313233121111331333133313331333133313331333133313311211113311221   >>    C313212111113331323312111133133313331333133313331333133313331331121111331122   <<    C3132121111133313233121111331333133313331333133313331333133313311211113311223   >>      C3132121111133313233121111331333133313331333133313331333133313311211113311222   >>