1: (5 7 20)

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

2: (3 10 6)

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

3: (0 12 4)

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

4: (1 20 19)

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