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