C1111233131211111211113313331333133313332213113121133133313221211131   >>    C111123313121111121111331333133313331333221311312113313331322121113   <<    C1111233131211111211113313331333133313332213113121133133313221211133   >>      C1111233131211111211113313331333133313332213113121133133313221211132   >>