How to cluster my data set using Self Organising Map (SOM)

i have a dataset like this, Its basically x and y cordinadte of 25 object. Now i want to devide into 5 cluster

[76.47876 14.04994

42.10694 87.98664

5.681318 9.537679

58.5747 35.25601

17.41552 59.34206

72.86107 58.51816

53.4291 66.76818

25.30643 64.80271

91.70567 43.33691

75.81945 13.97588

88.70307 75.19295

6.879817 24.17868

18.35282 65.04593

73.70727 85.73741

69.67149 8.437047

77.69929 97.20892

50.19034 3.145994

2.54968 83.54046

61.12371 83.57133

85.57719 4.98575

67.07971 54.58862

52.3592 94.31698

29.88154 32.14731

70.39691 80.64668 ]