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