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

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

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

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

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