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