C132233133112121111331333133313331323331333133313232211322112121   >>    C13223313311212111133133313331333132333133313331323221132211212   <<    C132233133112121111331333133313331323331333133313232211322112123   >>      C132233133112121111331333133313331323331333133313232211322112122   >>