1: (3 6 20)

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

2: (1 19 4)

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

3: (0 7 5)

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

4: (2 20 12)

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