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

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

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

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

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