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