1: (3 15 20)

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

2: (0 19 5)

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

3: (3 16 18)

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

4: (2 8 4)

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