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