1: (0 4 8)

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

2: (4 14 18)

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

3: (2 20 5)

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

4: (7 16 9)

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