1: (4 7 15)

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

2: (1 7 19)

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

3: (0 16 2)

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

4: (1 15 3)

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