1: (0 5 17)

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

2: (1 20 8)

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

3: (4 9 6)

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

4: (5 19 7)

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