1: (0 1 4)

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

2: (4 8 20)

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

3: (2 18 6)

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

4: (16 21 19)

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