1: (0 1 3)

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

2: (1 5 11)

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

3: (2 18 8)

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

4: (4 9 6)

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