C11111211113313112113313331333133313331333132212111133132313113111   >>    C1111121111331311211331333133313331333133313221211113313231311311   <<    C11111211113313112113313331333133313331333132212111133132313113113   >>      C11111211113313112113313331333133313331333132212111133132313113112   >>