C1111121111331311211331333133313113313331313231333132322331121132321   >>    C111112111133131121133133313331311331333131323133313232233112113232   <<    C1111121111331311211331333133313113313331313231333132322331121132323   >>      C1111121111331311211331333133313113313331313231333132322331121132322   >>