C3213322333133313113313221211113313331333133313231131131233232211331   >>    C321332233313331311331322121111331333133313331323113113123323221133   <<    C3213322333133313113313221211113313331333133313231131131233232211333   >>      C3213322333133313113313221211113313331333133313231131131233232211332   >>