1: (0 1 3)

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

2: (3 18 20)

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

3: (16 21 19)

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

4: (1 20 4)

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