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