1: (1 3 15)

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

2: (0 4 2)

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

3: (3 17 6)

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

4: (5 16 10)

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