C3123223313331322121111331333133313231333132212113313331121131223321   >>    C312322331333132212111133133313331323133313221211331333112113122332   <<    C3123223313331322121111331333133313231333132212113313331121131223323   >>      C3123223313331322121111331333133313231333132212113313331121131223322   >>