C3123223313331322121111331333133313231333132212113313331121131213321   >>    C312322331333132212111133133313331323133313221211331333112113121332   <<    C3123223313331322121111331333133313231333132212113313331121131213323   >>      C3123223313331322121111331333133313231333132212113313331121131213322   >>