1: (3 7 20)

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

2: (1 9 4)

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

3: (0 17 2)

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

4: (12 20 19)

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