C11112331333132311331333133313331333132311213331333131133132322321   >>    C1111233133313231133133313331333133313231121333133313113313232232   <<    C11112331333132311331333133313331333132311213331333131133132322323   >>      C11112331333132311331333133313331333132311213331333131133132322322   >>