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