(0 19 17 7 4)(1 21 2)(3 20 13 11 9)(5 10 8)(6 15 14)(12 18 16)
ALLOWS (11/8)-SEQUENCE
1: (0 3 4)
(0)(1 21 2)(3 19 17 7 4 20 13 11 9)(5 10 8)(6 15 14)(12 18 16)
2: (13 17 20)
(0)(1 21 2)(3 19 17 11 9)(4 20 7)(5 10 8)(6 15 14)(12 18 16)(13)
3: (12 18 16)
(0)(1 21 2)(3 19 17 11 9)(4 20 7)(5 10 8)(6 15 14)(12)(13)(16)(18)
4: (11 19 17)
(0)(1 21 2)(3 19 9)(4 20 7)(5 10 8)(6 15 14)(11)(12)(13)(16)(17)(18)