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