C111123313121111121111331333133313331323112113313231323223313232313111   >>    C11112331312111112111133133313331333132311211331323132322331323231311   <<    C111123313121111121111331333133313331323112113313231323223313232313113   >>      C111123313121111121111331333133313331323112113313231323223313232313112   >>