C31232233133313221211113313331333132313331333131133132313232321   >>    C3123223313331322121111331333133313231333133313113313231323232   <<    C31232233133313221211113313331333132313331333131133132313232323   >>      C31232233133313221211113313331333132313331333131133132313232322   >>