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