C2132113313331312121111331333132313331323133313223313231333132232331   >>    C213211331333131212111133133313231333132313331322331323133313223233   <<    C2132113313331312121111331333132313331323133313223313231333132232333   >>      C2132113313331312121111331333132313331323133313223313231333132232332   >>