1: (0 3 12)

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

2: (2 21 4)

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

3: (6 14 18)

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

4: (1 19 16)

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