1: (1 5 8)

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

2: (4 10 6)

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

3: (3 20 8)

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

4: (0 19 7)

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