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