C2132113313331312121111331333132313331323133313223313231323113221   >>    C213211331333131212111133133313231333132313331322331323132311322   <<    C2132113313331312121111331333132313331323133313223313231323113223   >>      C2132113313331312121111331333132313331323133313223313231323113222   >>