1: (0 1 3)

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

2: (1 5 10)

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

3: (2 21 8)

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

4: (4 9 6)

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