1: (1 9 20)

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

2: (0 19 8)

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

3: (1 12 16)

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

4: (10 17 13)

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