1: (0 1 17)

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

2: (4 17 21)

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

3: (2 19 13)

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

4: (1 20 17)

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