C132233133112121111331333133313331333132322331333133112212311221   >>    C13223313311212111133133313331333133313232233133313311221231122   <<    C132233133112121111331333133313331333132322331333133112212311223   >>      C132233133112121111331333133313331333132322331333133112212311222   >>