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