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