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