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