C3123223313331322121111331333131133133313311213331323133313231333131212121   >>    C312322331333132212111133133313113313331331121333132313331323133313121212   <<    C3123223313331322121111331333131133133313311213331323133313231333131212123   >>      C3123223313331322121111331333131133133313311213331323133313231333131212122   >>