C312322331333132212111133133313331312111133132313332233313233321   >>    C31232233133313221211113313331333131211113313231333223331323332   <<    C312322331333132212111133133313331312111133132313332233313233323   >>      C312322331333132212111133133313331312111133132313332233313233322   >>