C31232233133313221211113313331333132313331322121111133313133313331311312321   >>    C3123223313331322121111331333133313231333132212111113331313331333131131232   <<    C31232233133313221211113313331333132313331322121111133313133313331311312323   >>      C31232233133313221211113313331333132313331322121111133313133313331311312322   >>