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