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