C3213322333133313113313221211113313331333133313231131131233332223221   >>    C321332233313331311331322121111331333133313331323113113123333222322   <<    C3213322333133313113313221211113313331333133313231131131233332223223   >>      C3213322333133313113313221211113313331333133313231131131233332223222   >>