1: (0 1 6)

(0)(1 19 17 14 12 9 6 20 3)(2 10 4)(5 13 11)(7 21 8)(15 18 16)

2: (3 6 20)

(0)(1 19 17 14 12 9 6)(2 10 4)(3)(5 13 11)(7 21 8)(15 18 16)(20)

3: (2 10 4)

(0)(1 19 17 14 12 9 6)(2)(3)(4)(5 13 11)(7 21 8)(10)(15 18 16)(20)

4: (1 19 6)

(0)(1)(2)(3)(4)(5 13 11)(6 17 14 12 9)(7 21 8)(10)(15 18 16)(19)(20)