1: (0 3 13)

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

2: (6 13 19)

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

3: (4 16 11)

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

4: (10 14 12)

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