C11112331333132311331333133313331333132313233313231333132233221333221   >>    C1111233133313231133133313331333133313231323331323133313223322133322   <<    C11112331333132311331333133313331333132313233313231333132233221333223   >>      C11112331333132311331333133313331333132313233313231333132233221333222   >>