1: (0 1 3)

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

2: (3 9 20)

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

3: (2 15 4)

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

4: (10 21 19)

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