1: (1 4 10)

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

2: (3 11 5)

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

3: (0 6 2)

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

4: (4 12 7)

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