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