1: (5 10 17)

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

2: (9 20 11)

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

3: (1 17 8)

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

4: (0 19 4)

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