1: (0 10 13)

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

2: (9 15 12)

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

3: (4 18 13)

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

4: (1 19 17)

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