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