1: (0 4 15)

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

2: (1 20 10)

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

3: (9 16 13)

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

4: (0 19 2)

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