C111123313121111121111331323133313331333132322121111133313331313221211   >>    C11112331312111112111133132313331333133313232212111113331333131322121   <<    C111123313121111121111331323133313331333132322121111133313331313221213   >>      C111123313121111121111331323133313331333132322121111133313331313221212   >>