C132233133112121111331333133313331312121111133313331333131313123321   >>    C13223313311212111133133313331333131212111113331333133313131312332   <<    C132233133112121111331333133313331312121111133313331333131313123323   >>      C132233133112121111331333133313331312121111133313331333131313123322   >>