...23

 ...23

 ...2

 ...23

 ...234

 ...23456..7

 ...23456..8

 ...23456..8

 ...23

 ...23456..8

 ...23456..9

 ...23456..10

 ...23456..11

 ...23456..11

 ...23456..7

 ...23456

 ...2345

 ...2345

 ...2345

 ...23456