C3213322333133313113313221211113313331333131131233232212122121131   >>    C321332233313331311331322121111331333133313113123323221212212113   <<    C3213322333133313113313221211113313331333131131233232212122121133   >>      C3213322333133313113313221211113313331333131131233232212122121132   >>