1: (1 3 20)

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

2: (1 5 15)

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

3: (0 19 9)

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

4: (4 10 7)

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