1: (0 2 12)

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

2: (4 12 20)

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

3: (7 21 18)

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

4: (3 10 5)

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