C3132121111133313233121111331333133313331333133313331333131133132233132223311   >>    C313212111113331323312111133133313331333133313331333133313113313223313222331   <<    C3132121111133313233121111331333133313331333133313331333131133132233132223313   >>      C3132121111133313233121111331333133313331333133313331333131133132233132223312   >>