1: (1 4 15)

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

2: (2 17 5)

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

3: (1 20 3)

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

4: (0 19 8)

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