1: (0 5 11)

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

2: (4 19 6)

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

3: (5 14 7)

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

4: (10 15 13)

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