1: (0 3 15)

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

2: (1 19 14)

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

3: (2 17 4)

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

4: (9 20 15)

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