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