1: (3 11 20)

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

2: (1 19 6)

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

3: (2 17 4)

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

4: (3 12 5)

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