C11112331333132311331333132313331333133313232332313231323132321   >>    C1111233133313231133133313231333133313331323233231323132313232   <<    C11112331333132311331333132313331333133313232332313231323132323   >>      C11112331333132311331333132313331333133313232332313231323132322   >>