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