C31232233133313221211113313331333132233131133131133131121131213221   >>    C3123223313331322121111331333133313223313113313113313112113121322   <<    C31232233133313221211113313331333132233131133131133131121131213223   >>      C31232233133313221211113313331333132233131133131133131121131213222   >>