C3123223313331322121111331333133313231333132212113313331323132311212321   >>    C312322331333132212111133133313331323133313221211331333132313231121232   <<    C3123223313331322121111331333133313231333132212113313331323132311212323   >>      C3123223313331322121111331333133313231333132212113313331323132311212322   >>