C22121333132313311211113313331333132233131133133313331123323321   >>    C2212133313231331121111331333133313223313113313331333112332332   <<    C22121333132313311211113313331333132233131133133313331123323323   >>      C22121333132313311211113313331333132233131133133313331123323322   >>