C3132121111133313233121111331333133313331333133313331333132313331322123233311   >>    C313212111113331323312111133133313331333133313331333133313231333132212323331   <<    C3132121111133313233121111331333133313331333133313331333132313331322123233313   >>      C3132121111133313233121111331333133313331333133313331333132313331322123233312   >>