C312322331333132212111133133313331312111133132313331322123231132321   >>    C31232233133313221211113313331333131211113313231333132212323113232   <<    C312322331333132212111133133313331312111133132313331322123231132323   >>      C312322331333132212111133133313331312111133132313331322123231132322   >>