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