1: (0 3 13)

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

2: (1 14 9)

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

3: (5 13 21)

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

4: (4 11 6)

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