1: (0 3 7)

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

2: (2 19 5)

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

3: (0 3 7)

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

4: (1 20 15)

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