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

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

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

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

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