C3213322333133313113313221211113313331333133313231131131233331122112212111   >>    C321332233313331311331322121111331333133313331323113113123333112211221211   <<    C3213322333133313113313221211113313331333133313231131131233331122112212113   >>      C3213322333133313113313221211113313331333133313231131131233331122112212112   >>