1: (1 5 11)

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

2: (4 19 6)

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

3: (0 8 2)

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

4: (5 20 9)

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