C11112331333132311331333133313331333132312323133313331322123313231   >>    C1111233133313231133133313331333133313231232313331333132212331323   <<    C11112331333132311331333133313331333132312323133313331322123313233   >>      C11112331333132311331333133313331333132312323133313331322123313232   >>