1: (0 1 4)

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

2: (4 18 20)

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

3: (6 21 19)

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

4: (3 8 5)

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