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