1: (0 4 7)

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

2: (3 11 4)

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

3: (6 12 8)

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

4: (1 9 5)

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