C3123223313331322121111331333133313331333121211113313131323132221   >>    C312322331333132212111133133313331333133312121111331313132313222   <<    C3123223313331322121111331333133313331333121211113313131323132223   >>      C3123223313331322121111331333133313331333121211113313131323132222   >>