C3123223313331322121111331333133313121111331323133313112211232323331   >>    C312322331333132212111133133313331312111133132313331311221123232333   <<    C3123223313331322121111331333133313121111331323133313112211232323333   >>      C3123223313331322121111331333133313121111331323133313112211232323332   >>