1: (4 12 18)

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

2: (0 13 7)

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

3: (2 20 17)

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

4: (12 19 14)

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