1: (0 1 4)

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

2: (4 16 20)

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

3: (3 18 12)

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

4: (10 17 13)

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