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