C3123223313331322121111331333133313231333132212113313331323133112113311311   >>    C312322331333132212111133133313331323133313221211331333132313311211331131   <<    C3123223313331322121111331333133313231333132212113313331323133112113311313   >>      C3123223313331322121111331333133313231333132212113313331323133112113311312   >>