1: (0 2 15)

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

2: (1 19 3)

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

3: (2 17 9)

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

4: (14 18 16)

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