C3123223313331322121111331333133313231333132212111112113313123323131   >>    C312322331333132212111133133313331323133313221211111211331312332313   <<    C3123223313331322121111331333133313231333132212111112113313123323133   >>      C3123223313331322121111331333133313231333132212111112113313123323132   >>