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

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

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

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

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