1: (0 7 10)

(0)(1 13 12)(2 19 17)(3 7 20 10 5)(4 11 9)(6 15 8)(14 18 16)

2: (4 11 9)

(0)(1 13 12)(2 19 17)(3 7 20 10 5)(4)(6 15 8)(9)(11)(14 18 16)

3: (6 15 8)

(0)(1 13 12)(2 19 17)(3 7 20 10 5)(4)(6)(8)(9)(11)(14 18 16)(15)

4: (5 20 10)

(0)(1 13 12)(2 19 17)(3 7 20)(4)(5)(6)(8)(9)(10)(11)(14 18 16)(15)