1: (0 2 15)

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

2: (1 19 3)

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

3: (2 17 4)

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

4: (11 18 16)

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