C31232233133313221211113313331333133313331212111133121111133313331123231323311   >>    C3123223313331322121111331333133313331333121211113312111113331333112323132331   <<    C31232233133313221211113313331333133313331212111133121111133313331123231323313   >>      C31232233133313221211113313331333133313331212111133121111133313331123231323312   >>