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