1: (0 3 7)

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

2: (2 17 4)

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

3: (1 21 8)

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

4: (3 19 5)

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