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