C31232233133313221211113313331333132313331322121111112113313113122321   >>    C3123223313331322121111331333133313231333132212111111211331311312232   <<    C31232233133313221211113313331333132313331322121111112113313113122323   >>      C31232233133313221211113313331333132313331322121111112113313113122322   >>