C111123313121111121111331333133313331323132333133313331323221232212321333131   >>    C11112331312111112111133133313331333132313233313331333132322123221232133313   <<    C111123313121111121111331333133313331323132333133313331323221232212321333133   >>      C111123313121111121111331333133313331323132333133313331323221232212321333132   >>