1: (0 1 18)

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

2: (4 18 20)

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

3: (2 19 6)

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

4: (3 7 5)

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