C11112331333132311331333133313331333132313231123313331311211313221   >>    C1111233133313231133133313331333133313231323112331333131121131322   <<    C11112331333132311331333133313331333132313231123313331311211313223   >>      C11112331333132311331333133313331333132313231123313331311211313222   >>