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