¡@
pattern s1: 1
pattern s2: 2
pattern s3: 4, 4
pattern s4: 2, 4
pattern s5: 4, 6, 7, 15
pattern s6: 3, 2, 3, 4, 10, 8
pattern s7: 3, 3, 4, 5, 6, 5, 4