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