1: (0 4 9)

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

2: (3 20 5)

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

3: (4 18 6)

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

4: (7 19 17)

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