Sort HSL in python

from random import randrange
import sys
c=[]
r=[[]]
l=0
elems=5
for x in range(elems):
        c=c+[[randrange(360),randrange(100),randrange(100)]]
c=sorted(c,key=lambda l: l[0])
for x in range(elems-1):
        r[l]=r[l]+[c[x]]
        if (c[x+1][0]-c[x][0])>=30:
                l+=1
                r=r+[[]]
r[l]=r[l]+[c[x+1]]
if 360-r[-1][-1][0]+r[0][0][0]<30:
        r[0].insert(0,r[-1])
        r.pop()
print r