C31232233133313221211113313331333131211113313231333132322131333321   >>    C3123223313331322121111331333133313121111331323133313232213133332   <<    C31232233133313221211113313331333131211113313231333132322131333323   >>      C31232233133313221211113313331333131211113313231333132322131333322   >>