C132233133112121111331333133313331312121111133313331333121133133322231   >>    C13223313311212111133133313331333131212111113331333133312113313332223   <<    C132233133112121111331333133313331312121111133313331333121133133322233   >>      C132233133112121111331333133313331312121111133313331333121133133322232   >>