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