1: (0 1 10)

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

2: (4 10 21)

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

3: (2 16 7)

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

4: (1 20 10)

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