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