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

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

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

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

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