C132233133112121111331333133313331333132322331333132233112211232321   >>    C13223313311212111133133313331333133313232233133313223311221123232   <<    C132233133112121111331333133313331333132322331333132233112211232323   >>      C132233133112121111331333133313331333132322331333132233112211232322   >>