1: (0 1 4)

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

2: (4 18 20)

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

3: (6 21 19)

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

4: (3 14 5)

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