1: (4 5 12)

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

2: (1 5 19)

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

3: (0 17 2)

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

4: (1 12 3)

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