C3123223313331322121111331333133313231333132212113313331323223313111221311321   >>    C312322331333132212111133133313331323133313221211331333132322331311122131132   <<    C3123223313331322121111331333133313231333132212113313331323223313111221311323   >>      C3123223313331322121111331333133313231333132212113313331323223313111221311322   >>