C3213322333133313113313221211113313331333133313231131131233223321   >>    C321332233313331311331322121111331333133313331323113113123322332   <<    C3213322333133313113313221211113313331333133313231131131233223323   >>      C3213322333133313113313221211113313331333133313231131131233223322   >>