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