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