1: (0 2 15)

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

2: (1 17 4)

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

3: (14 19 15)

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

4: (8 20 18)

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