1: (0 1 6)

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

2: (4 6 21)

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

3: (2 7 5)

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

4: (1 15 6)

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