1: (3 7 20)

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

2: (0 19 6)

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

3: (5 7 8)

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

4: (2 17 4)

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