1: (0 2 15)

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

2: (1 21 11)

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

3: (0 8 15)

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

4: (6 12 9)

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