C22121333132313311211113313331333132233131133133313331312111112123321   >>    C2212133313231331121111331333133313223313113313331333131211111212332   <<    C22121333132313311211113313331333132233131133133313331312111112123323   >>      C22121333132313311211113313331333132233131133133313331312111112123322   >>