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