C11111211113313112113313331311211331333133313331333133313231333132322333131   >>    C1111121111331311211331333131121133133313331333133313331323133313232233313   <<    C11111211113313112113313331311211331333133313331333133313231333132322333133   >>      C11111211113313112113313331311211331333133313331333133313231333132322333132   >>