1: (0 2 15)

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

2: (14 15 17)

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

3: (1 19 4)

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

4: (13 20 18)

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