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