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