1: (0 3 5)

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

2: (2 19 4)

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

3: (1 20 13)

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

4: (5 8 11)

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