C3123223313331322121111331333133313331333121211113313331311133311211   >>    C312322331333132212111133133313331333133312121111331333131113331121   <<    C3123223313331322121111331333133313331333121211113313331311133311213   >>      C3123223313331322121111331333133313331333121211113313331311133311212   >>