C1111233131211111211113313331333133313232321333133313331333131131211131121   >>    C111123313121111121111331333133313331323232133313331333133313113121113112   <<    C1111233131211111211113313331333133313232321333133313331333131131211131123   >>      C1111233131211111211113313331333133313232321333133313331333131131211131122   >>