1: (0 1 3)

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

2: (1 5 19)

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

3: (3 21 12)

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

4: (4 17 6)

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