1: (0 1 10)

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

2: (3 10 20)

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

3: (2 14 4)

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

4: (1 19 10)

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