C3132121111133313233121111331333133313331333133313331333121111331323221331   >>    C313212111113331323312111133133313331333133313331333133312111133132322133   <<    C3132121111133313233121111331333133313331333133313331333121111331323221333   >>      C3132121111133313233121111331333133313331333133313331333121111331323221332   >>