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

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

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

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

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