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

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

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

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

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