C132233133112121111331333133313331333132322331333133313233211111131123231   >>    C13223313311212111133133313331333133313232233133313331323321111113112323   <<    C132233133112121111331333133313331333132322331333133313233211111131123233   >>      C132233133112121111331333133313331333132322331333133313233211111131123232   >>