1: (0 3 17)

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

2: (2 21 4)

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

3: (1 19 7)

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

4: (3 20 5)

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