1: (0 1 6)

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

2: (4 6 21)

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

3: (2 12 5)

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

4: (1 20 6)

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