C11112331333132311331333133313331333132312323133313331311211332321   >>    C1111233133313231133133313331333133313231232313331333131121133232   <<    C11112331333132311331333133313331333132312323133313331311211332323   >>      C11112331333132311331333133313331333132312323133313331311211332322   >>