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