1: (0 1 3)

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

2: (1 5 19)

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

3: (2 20 7)

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

4: (4 8 6)

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