3115,3115,3114,3114,3116,3116,3117,3117,3118,3118,3120,3120,3121,3121,3123,3123,3123,3125,3125,3124,3124,3123,3123,3124,3125,3125,3127,3127,3127,3127,3126,3124,3124,3123,3123,3120,3120,3119,3119,3118,3118;721,722,722,723,723,724,724,726,726,730,730,731,731,730,730,729,728,728,727,727,726,726,724,724,724,723,723,722,721,720,720,720,719,719,718,718,719,719,720,720,721