C3123223313331322121111331333133313231333132212111112113313232223112331322221   >>    C312322331333132212111133133313331323133313221211111211331323222311233132222   <<    C3123223313331322121111331333133313231333132212111112113313232223112331322223   >>      C3123223313331322121111331333133313231333132212111112113313232223112331322222   >>