C13223313311212111133133313331323133313233313121111331333132213221211   >>    C1322331331121211113313331333132313331323331312111133133313221322121   <<    C13223313311212111133133313331323133313233313121111331333132213221213   >>      C13223313311212111133133313331323133313233313121111331333132213221212   >>