C3123223313331322121111331333133313231333132212111133112113311211331311212321   >>    C312322331333132212111133133313331323133313221211113311211331121133131121232   <<    C3123223313331322121111331333133313231333132212111133112113311211331311212323   >>      C3123223313331322121111331333133313231333132212111133112113311211331311212322   >>