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