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