C1111121111331311211331333133313231333132212111113331333132233133313122311   >>    C111112111133131121133133313331323133313221211111333133313223313331312231   <<    C1111121111331311211331333133313231333132212111113331333132233133313122313   >>      C1111121111331311211331333133313231333132212111113331333132233133313122312   >>