C3132121111133313233121111331333133313331333133313331333133313331311122221   >>    C313212111113331323312111133133313331333133313331333133313331333131112222   <<    C3132121111133313233121111331333133313331333133313331333133313331311122223   >>      C3132121111133313233121111331333133313331333133313331333133313331311122222   >>