1: (0 5 15)

(0)(1 13 2)(3 10 5 17 15)(4 19 6)(7 18 16 12 8)(9 14 11)

2: (4 19 6)

(0)(1 13 2)(3 10 5 17 15)(4)(6)(7 18 16 12 8)(9 14 11)(19)

3: (5 17 10)

(0)(1 13 2)(3 10 15)(4)(5)(6)(7 18 16 12 8)(9 14 11)(17)(19)

4: (12 18 16)

(0)(1 13 2)(3 10 15)(4)(5)(6)(7 18 8)(9 14 11)(12)(16)(17)(19)