1: (0 2 10)

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

2: (1 20 4)

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

3: (3 17 5)

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

4: (9 19 11)

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