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