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