Mermaid o' clock

I tried to make a clock in Mermaid.

flowchart RL
12 --> 1
1 --> 2
2 --> 3
3 --> 4
4 --> 5
5 --> 6
6 --> 7
7 --> 8
8 --> 9
9 --> 10
10 --> 11
11 --> 12

mindmap
  root((Clock))
    12
    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11

pie title Clock
    "Left" : 9
    "Right" : 3