C3132121111133313233121111331333133313331333133313331333133313311213331323121   >>    C313212111113331323312111133133313331333133313331333133313331331121333132312   <<    C3132121111133313233121111331333133313331333133313331333133313311213331323123   >>      C3132121111133313233121111331333133313331333133313331333133313311213331323122   >>