1: (0 3 15)

(0 6 3 21 18 5 2)(1 20 15)(4 10 7)(8 13 11)(9 17 16)(12 19 14)

2: (2 18 5)

(0 6 3 21 18)(1 20 15)(2)(4 10 7)(5)(8 13 11)(9 17 16)(12 19 14)

3: (1 20 15)

(0 6 3 21 18)(1)(2)(4 10 7)(5)(8 13 11)(9 17 16)(12 19 14)(15)(20)

4: (0 21 18)

(0)(1)(2)(3 21 6)(4 10 7)(5)(8 13 11)(9 17 16)(12 19 14)(15)(18)(20)