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