C31232233133313221211113313331333132313331322121111331323123122321   >>    C3123223313331322121111331333133313231333132212111133132312312232   <<    C31232233133313221211113313331333132313331322121111331323123122323   >>      C31232233133313221211113313331333132313331322121111331323123122322   >>