1: (0 7 19)

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

2: (1 20 14)

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

3: (5 15 13)

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

4: (4 21 19)

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