C3123223313331322121111331333133313231333132212111112113313232333112121   >>    C312322331333132212111133133313331323133313221211111211331323233311212   <<    C3123223313331322121111331333133313231333132212111112113313232333112123   >>      C3123223313331322121111331333133313231333132212111112113313232333112122   >>