1: (2 5 20)

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

2: (0 19 4)

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

3: (5 8 13)

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

4: (7 14 9)

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