1: (0 2 11)

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

2: (1 21 4)

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

3: (3 18 6)

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

4: (5 16 7)

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