C3123223313331322121111331333133313231323223313331333133112333321   >>    C312322331333132212111133133313331323132322331333133313311233332   <<    C3123223313331322121111331333133313231323223313331333133112333323   >>      C3123223313331322121111331333133313231323223313331333133112333322   >>