1: (0 4 5)

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

2: (5 12 19)

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

3: (7 20 17)

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

4: (4 19 6)

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