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