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