C132233133112121111331333133313331312121111133313331321123232331   >>    C13223313311212111133133313331333131212111113331333132112323233   <<    C132233133112121111331333133313331312121111133313331321123232333   >>      C132233133112121111331333133313331312121111133313331321123232332   >>