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