C111123313121111121111331323133313331333132322133313233313331313321   >>    C11112331312111112111133132313331333133313232213331323331333131332   <<    C111123313121111121111331323133313331333132322133313233313331313323   >>      C111123313121111121111331323133313331333132322133313233313331313322   >>