( 7 )
( 3, 4, 10, 12 )
( 4, 10, 11 , 12 )
( 1, 7, 12 )
( 1, 7, 10, 12 )
( 1 )
( 1 , 7, 9, 10, 11, 12 )
( 1 , 7, 9, 10, 11, 12 )
( 1 , 7, 9, 10, 11, 12)
( 1 , 10, 11, 12 )
( 1 , 10, 11, 12 )
( 1 , 7, 9, 10, 11, 12 )
( 1, 3, 6, 7, 8 )
( 1, 3, 6, 7, 8 )
( 7, 8 )
( 3, 7 )
( 3, 7 )
( 1, 7, 8, 12 )
( 7, 8 )