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