C132233133112121111331333133313331323132313233313331333132213111121121   >>    C13223313311212111133133313331333132313231323331333133313221311112112   <<    C132233133112121111331333133313331323132313233313331333132213111121123   >>      C132233133112121111331333133313331323132313233313331333132213111121122   >>