1: (0 3 7)

(0 5 3 21 20 17 15)(1 19 10 8 6)(2 18 4)(7)(9 13 11)(12 16 14)

2: (1 19 6)

(0 5 3 21 20 17 15)(1)(2 18 4)(6 10 8)(7)(9 13 11)(12 16 14)(19)

3: (2 18 4)

(0 5 3 21 20 17 15)(1)(2)(4)(6 10 8)(7)(9 13 11)(12 16 14)(18)(19)

4: (3 17 5)

(0 5 15)(1)(2)(3)(4)(6 10 8)(7)(9 13 11)(12 16 14)(17 21 20)(18)(19)