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