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