1: (2 6 15)

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

2: (0 8 4)

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

3: (2 6 15)

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

4: (1 19 3)

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