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