1: (0 5 16)

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

2: (4 19 6)

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

3: (5 18 12)

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

4: (10 17 15)

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