1: (0 12 15)

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

2: (6 17 14)

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

3: (3 19 15)

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

4: (1 20 5)

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