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