1: (0 4 8)

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

2: (3 9 6)

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

3: (2 19 5)

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

4: (4 12 7)

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