1: (3 8 20)

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

2: (0 19 7)

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

3: (3 8 20)

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

4: (1 18 4)

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