1: (0 3 4)

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

2: (4 8 13)

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

3: (7 19 9)

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

4: (3 13 6)

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