C3123223313331322121111331333133313231333112113313331323133313111211   >>    C312322331333132212111133133313331323133311211331333132313331311121   <<    C3123223313331322121111331333133313231333112113313331323133313111213   >>      C3123223313331322121111331333133313231333112113313331323133313111212   >>