1: (0 1 4)

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

2: (4 16 20)

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

3: (2 19 11)

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

4: (3 12 10)

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