C111113331333132322331333133313331323133313233213133313231313113231   >>    C11111333133313232233133313331333132313331323321313331323131311323   <<    C111113331333132322331333133313331323133313233213133313231313113233   >>      C111113331333132322331333133313331323133313233213133313231313113232   >>