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