C3123223313331322121111331333133313231333112113313331323221312311   >>    C312322331333132212111133133313331323133311211331333132322131231   <<    C3123223313331322121111331333133313231333112113313331323221312313   >>      C3123223313331322121111331333133313231333112113313331323221312312   >>