1: (0 2 15)

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

2: (1 19 4)

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

3: (2 17 12)

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

4: (13 18 16)

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