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