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