1: (2 4 16)

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

2: (3 20 5)

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

3: (0 17 15)

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

4: (4 19 6)

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