C31232233133313221211113313331333132313331322121111113313331323212121   >>    C3123223313331322121111331333133313231333132212111111331333132321212   <<    C31232233133313221211113313331333132313331322121111113313331323212123   >>      C31232233133313221211113313331333132313331322121111113313331323212122   >>