1: (0 3 13)

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

2: (2 17 4)

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

3: (3 15 5)

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

4: (1 19 7)

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