C132233133112121111331333133313331333132322331333131211211331211   >>    C13223313311212111133133313331333133313232233133313121121133121   <<    C132233133112121111331333133313331333132322331333131211211331213   >>      C132233133112121111331333133313331333132322331333131211211331212   >>