1: (1 5 16)

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

2: (4 19 6)

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

3: (0 8 2)

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

4: (5 20 10)

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