C1111233131211111211113313331323133313331313212111133132322333132231   >>    C111123313121111121111331333132313331333131321211113313232233313223   <<    C1111233131211111211113313331323133313331313212111133132322333132233   >>      C1111233131211111211113313331323133313331313212111133132322333132232   >>