C3123223313331322121111331333133313231333132212111112113313133313231333231321   >>    C312322331333132212111133133313331323133313221211111211331313331323133323132   <<    C3123223313331322121111331333133313231333132212111112113313133313231333231323   >>      C3123223313331322121111331333133313231333132212111112113313133313231333231322   >>