1: (4 6 11)

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

2: (6 13 16)

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

3: (12 19 14)

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

4: (9 17 15)

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