C132233133112121111331333133313331312121111133313331313112121121   >>    C13223313311212111133133313331333131212111113331333131311212112   <<    C132233133112121111331333133313331312121111133313331313112121123   >>      C132233133112121111331333133313331312121111133313331313112121122   >>