1: (0 2 16)

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

2: (1 21 3)

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

3: (2 19 4)

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

4: (7 20 17)

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