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