1: (0 1 2)

(0)(1 20 2 9 3)(4 15 6)(5 21 11 8 7)(10 14 12)(13 18 16)(17 22 19)

2: (2 9 20)

(0)(1 20 3)(2)(4 15 6)(5 21 11 8 7)(9)(10 14 12)(13 18 16)(17 22 19)

3: (8 21 11)

(0)(1 20 3)(2)(4 15 6)(5 21 7)(8)(9)(10 14 12)(11)(13 18 16)(17 22 19)

4: (1 20 3)

(0)(1)(2)(3)(4 15 6)(5 21 7)(8)(9)(10 14 12)(11)(13 18 16)(17 22 19)(20)